{"title":"Circuit Learning Kits","description":"\u003cp\u003eDiscover how electricity moves and components work together with Circuit Learning Kits from TinkerVanta. This collection introduces fundamental electronics concepts through guided, hands-on activities suitable for beginners and developing learners. Projects may demonstrate open and closed circuits, series and parallel connections, voltage, current, resistance, polarity, conductivity, switches, lights, buzzers, and other essential principles. By building and testing different configurations, learners can connect diagrams and scientific ideas with observable results.\u003cbr\u003eCircuit learning activities are useful for classroom demonstrations, homeschool STEM lessons, science fairs, maker programs, and independent study. Depending on the product, kits may contain wires, switches, battery holders, bulbs, LEDs, resistors, buzzers, motors, connectors, experiment boards, or illustrated instructions. Included components, circuit types, power requirements, difficulty levels, and recommended ages vary by item. Batteries, tools, measuring devices, or additional materials may be required and are not always included. Please review each product listing carefully before purchasing.\u003cbr\u003eThis collection focuses on structured instruction in basic circuitry rather than snap-together systems, advanced electronic builds, or specialized motor experiments. Adult supervision is recommended when learners handle electrical parts, batteries, wires, tools, or small components. These kits encourage careful observation, logical thinking, troubleshooting, and a practical understanding of introductory electricity and electronics.\u003c\/p\u003e","products":[{"product_id":"yahboom-4wd-smart-chassis-car-kit-with-aluminum-alloy-chassis-520-encoder-motor-65mm-wheels-robotic-moving-platform-black-unassembled-with-battery","title":"Yahboom 4WD Smart Chassis Car Kit with Aluminum Alloy Chassis,520 Encoder Motor,65mm Wheels,Robotic Moving Platform (Black, Unassembled) with Battery","description":"\u003ch3\u003eAbout this item\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eTwo-wheel drive and four-wheel drive models are available: 2wd is equipped with two driving wheels and two auxiliary universal wheels, which has the advantages of simplicity, stability and flexibility. 4wd is equipped with four motor-driven wheels, which has strong power and greater load. Two drive models are available to meet different application scenarios.\u003c\/li\u003e\n\u003cli\u003eThe intelligent robot car uses 2-4 L-type 520 high-precision encoder motors, all-metal gears, high power performance, small size, large torque, 1:40 reduction ratio, suitable for application scenarios requiring large loads, ensuring the smooth operation of the chassis.\u003c\/li\u003e\n\u003cli\u003eSupport a large number of sensors: The upper and lower layers of the chassis are designed with rich installation holes, which are convenient for flexible expansion and installation of a variety of camera accessories, line patrol modules, motor drive modules and Raspberry Pi\/Jetson series and other main control accessories.\u003c\/li\u003e\n\u003cli\u003eProvide APP control, support Android and iOS systems. Suitable for electronic project competitions, Yahboom provides chassis expansion cases.\u003c\/li\u003e\n\u003cli\u003ePlease note: The default delivery is not assembled with accessories, and users need to follow the installation video.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Brand: Yahboom","offers":[{"title":"Default Title","offer_id":48199630028951,"sku":"B0F3D1V9XP","price":164.34,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0735\/1032\/2327\/files\/51Duyl5ylsL.jpg?v=1788400851"},{"product_id":"solar-panel-connector-8-to-2-solar-y-branch-connectors-pv-panels-parallel-connectors-kit-adapter-waterproof-wire-plug-tool-for-solar-panel1-pcak-mf-ffffmmmm-color-1-pack-size-8-to-2","title":"Solar Panel Connector 8 to 2 Solar Y Branch Connectors PV Panels Parallel Connectors Kit Adapter Waterproof Wire Plug Tool for Solar Panel(1 Pcak MF\/FFFFMMMM) - color: 1 Pack, size: 8 to 2","description":"\u003ch3\u003eAbout this item\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eExtended Branch Design for Hassle-Free Setup: PJERZJN's innovative Y branch connectors to ensure flexible panel placement without requiring extra extensions. Engineered for parallel connections of 2-12 solar panels, our thickened 6mm² (10AWG) main cables and 4mm² (12AWG) branches minimize voltage drop, delivering stable power transmission even in complex installations\u003c\/li\u003e\n\u003cli\u003eUniversal Compatibility \u0026amp; Intuitive Color-Coding: Compatible with TS4, and most industry-standard connectors (excluding Amphenol), solar parallel connector red (positive) and black (negative) cables simplify DIY setups. Designed for 10AWG-14AWG solar wires and rated for DC1000V\/30A, they adapt seamlessly to residential, RV, and off-grid systems\u003c\/li\u003e\n\u003cli\u003eDurability for Extreme Environments: Built with double-layered XLPE insulation and tinned copper cores, PJERZJN solar connectors withstand -40°F to 257°F temperatures, UV radiation, and corrosive elements. IP67-rated (male\/female) seals ensure 100% waterproof and dustproof performance—ideal for harsh deserts, coastal areas, or snowy climates\u003c\/li\u003e\n\u003cli\u003eSafety-Certified \u0026amp; Zero-Risk Warranty: Rigorously tested to meet TÜV\/IEC\/SUD standards, solar parallel connectors eliminate fire risks from loose contacts. Just press the two sides of the built-in lock on the male connector with your fingers to easily connect and disconnect, and it is not easy to fall off. 3000 plug and pull tests\u003c\/li\u003e\n\u003cli\u003eZero-Risk Assurance: PJERZJN’s dedicated technical team, we resolve issues within 24 hours—including replacements for defective units. 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IP67-rated (male\/female) seals ensure 100% waterproof and dustproof performance—ideal for harsh deserts, coastal areas, or snowy climates\u003c\/li\u003e\n\u003cli\u003eSafety-Certified \u0026amp; Zero-Risk Warranty: Rigorously tested to meet TÜV\/IEC\/SUD standards, solar parallel connectors eliminate fire risks from loose contacts. Just press the two sides of the built-in lock on the male connector with your fingers to easily connect and disconnect, and it is not easy to fall off. 3000 plug and pull tests\u003c\/li\u003e\n\u003cli\u003eZero-Risk Assurance: PJERZJN’s dedicated technical team, we resolve issues within 24 hours—including replacements for defective units. 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At the same time, the soldering practice kit has good effects, is very interesting and practical, and is also the preferred material for beginners to get started.\u003c\/li\u003e\n\u003cli\u003eSoldering Practice Kit: This kit is designed specifically to help beginners learn the art of soldering, a crucial skill in the world of electronics. With this kit, you can learn to solder safely and with confidence, practicing on a variety of components and circuit boards.\u003c\/li\u003e\n\u003cli\u003eDIY Electronic Soldering Project Kit: The kit is a great way to engage in DIY electronics projects, providing all the necessary components to build a functional electronic circuit. This is an excellent opportunity to learn the basics of circuit design, component selection, and the assembly of electronic devices.\u003c\/li\u003e\n\u003cli\u003eHands-on Learning: The best way to learn a new skill is through hands-on practice, and this soldering practice kit provides just that. 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Kids get to explore everyday electronic parts, master basic circuit principles, and learn the fundamentals of current, voltage and resistance\u003c\/li\u003e\n\u003cli\u003e[5 Control Modes]: This electrical kits set supports voice, touch, hand, light and magnetic control. By building radios, fans, bells, LED lights and levitating balls experiments, kids learn different switch triggers, circuit activation logic and how household electronics work, linking textbook knowledge to real life\u003c\/li\u003e\n\u003cli\u003e[Easy-to- Use \u0026amp; Parent-Child Friendly]: No soldering assembly; follow the graphic manual, simply plug in the wires to create a circuit. 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Let the light burn the round ended cylinder for about 60-120 seconds, then give the wheel a gently push, it will run like a charm.\u003c\/li\u003e\n\u003cli\u003eDouble Air Cylinder----Has two hot cylinders. faster speed and strong power, captivating your eyes,mainly constructed by metal, it can run at speed around 1800 RPM(exceeds the ordinary model),the pursuit of the details, the overall fine grinding, feel smooth, very metallic and modern technology.\u003c\/li\u003e\n\u003cli\u003eWorking Principle----The principle of the closed cycle reciprocating engine with easy usage and operation is that the external heating makes the cyclic expansion and compression of the gas at different temperatures.\u003c\/li\u003e\n\u003cli\u003eWide Applications----Suitable for science projects, physical machine learning, classroom presentation props for teachers, friends, family, parents, birthday gifts, etc.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"MagicTech","offers":[{"title":"Default Title","offer_id":48200117551255,"sku":"B0GK75VJXX-size-6-29-x-3-43-x-4-72-inch","price":109.54,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0735\/1032\/2327\/files\/41jrA2cRigL.jpg?v=1788426579"},{"product_id":"magictech-hot-air-stirling-engine-double-cylinder-electricity-power-metal-physics-assembly-model-golden-jy38-size-6-3-x-3-43-x-4-6-inch","title":"MagicTech Hot Air Stirling Engine Double Cylinder Electricity Power Metal Physics Assembly Model Golden JY38 - size: 6.3 x 3.43 x 4.6 Inch","description":"\u003ch3\u003eAbout this item\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eEasy Operation \u0026amp; Long Lasting----Product Dimensions: 6.3 x 3.43 x 4.6 inches,Fill the alcohol burner with your 95% alcohol (we recommend this fuel) and light it. Let the light burn the round ended cylinder for about 60-120 seconds, then give the wheel a gently push, it will run like a charm.\u003c\/li\u003e\n\u003cli\u003eDouble Air Cylinder----Has two hot cylinders. faster speed and strong power, captivating your eyes,mainly constructed by metal, it can run at speed around 1800 RPM(exceeds the ordinary model),the pursuit of the details, the overall fine grinding, feel smooth, very metallic and modern technology.\u003c\/li\u003e\n\u003cli\u003eAmazing Style Engine----The stirling engine is powered by the expansion of the air and the compression of the cold. Feel the sense of metal and technology, reliable quality. The dry air expands to generate power. It cannot add water and liquor.\u003c\/li\u003e\n\u003cli\u003eWorking Principle----The principle of the closed cycle reciprocating engine with easy usage and operation is that the external heating makes the cyclic expansion and compression of the gas at different temperatures.\u003c\/li\u003e\n\u003cli\u003eWide Applications----The Stirling engine model comes in an elegant package, making it a thoughtful and impressive gift for Christmas and birthday gifts.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"MagicTech","offers":[{"title":"Default Title","offer_id":48200118010007,"sku":"B0GFDCKYM5-size-6-3-x-3-43-x-4-6-inch","price":92.94,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0735\/1032\/2327\/files\/4194pkegWfL.jpg?v=1788426630"},{"product_id":"magictech-hot-air-stirling-engine-motor-metal-physics-electricity-power-cylinder-education-model-jy44-size-6-3-x-3-43-x-4-72-inch","title":"MagicTech Hot Air Stirling Engine Motor Metal Physics Electricity Power Cylinder Education Model JY44 - size: 6.3 x 3.43 x 4.72 Inch","description":"\u003ch3\u003eAbout this item\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eEasy Operation \u0026amp; Long Lasting----Product Dimensions: 160x87x120mm\/6.30x3.43x4.72inch,Fill the alcohol burner with your 95% alcohol (we recommend this fuel) and light it. Let the light burn the round ended cylinder for about 60-120 seconds, then give the wheel a gently push, it will run like a charm.\u003c\/li\u003e\n\u003cli\u003eExcellent Performance----Quality metal, Aluminium Alloy + Stainless Steel construction ensures high speed and long running times without wear, with a solid piston design for durability and smooth operation.\u003c\/li\u003e\n\u003cli\u003eAmazing Style Engine----Different from the ordinary Stirling model. Because of the heat from high-grade alcohol, the engine will run madly and create the electricity. The power will go through the wire and drive the LED lighting. It's really interesting and imaginative model.\u003c\/li\u003e\n\u003cli\u003eWorking Principle----The principle of the closed cycle reciprocating engine with easy usage and operation is that the external heating makes the cyclic expansion and compression of the gas at different temperatures.\u003c\/li\u003e\n\u003cli\u003eWide Applications----Suitable for science projects, physical machine learning, classroom presentation props for teachers, friends, family, parents, birthday gifts, etc.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"MagicTech","offers":[{"title":"Default Title","offer_id":48200118698135,"sku":"B0GR544NLR-size-6-3-x-3-43-x-4-72-inch","price":51.44,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0735\/1032\/2327\/files\/41I5GESlqsL.jpg?v=1788426685"},{"product_id":"magictech-hot-air-stirling-engine-motor-electricity-power-usb-cylinder-metal-physics-education-model-jy27-size-6-4-x-3-7-x-5-1-inch","title":"MagicTech Hot Air Stirling Engine Motor Electricity Power USB Cylinder Metal Physics Education Model JY27 - size: 6.4 x 3.7 x 5.1 Inch","description":"\u003ch3\u003eAbout this item\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eEasy Operation \u0026amp; Long Lasting---- Product Dimensions: 16.5 x 9.5 x 13cm\/6.4 x 3.7 x 5.1 Inches,Fill the alcohol burner with your 95% alcohol (we recommend this fuel) and light it. Let the light burn the round ended cylinder for about 60-120 seconds, then give the wheel a gently push, it will run like a charm.\u003c\/li\u003e\n\u003cli\u003eUSB Output \u0026amp; 5 Light Styles---- Power Your Own Lights! This engine stands out with a functional USB port! It includes five different USB night lights, each with its own unique lighting effect. Watch as the engine generates real power to illuminate your chosen light, making it an interactive and fascinating way to learn about energy conversion.\u003c\/li\u003e\n\u003cli\u003eWorking Principle---- The principle of the closed-cycle reciprocating engine with easy usage and operation is that the external heating makes the cyclic expansion and compression of the gas at different temperatures.\u003c\/li\u003e\n\u003cli\u003eAmazing Style Engine---- Different from the ordinary Stirling model. Because of the heat from high-grade alcohol, the engine will run madly and create the electricity. The power will go through the wire and drive the LED lighting. It's really interesting and imaginative model.\u003c\/li\u003e\n\u003cli\u003eBest Gift---- It is an amazing and fantastic product at this item. It has a wide range of application as, great gift for science project, Physical\/mechanical learning, teacher’s Demo props on the class, birthday gift for friends, families, parents,etc. Many of our customers come from school, colleague, etc.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"MagicTech","offers":[{"title":"Default Title","offer_id":48200121548951,"sku":"B0FHPXTZ9C-size-6-4-x-3-7-x-5-1-inch","price":73.02,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0735\/1032\/2327\/files\/41ouE6BRZ7L.jpg?v=1788426741"},{"product_id":"magictech-hot-air-stirling-engine-cylinder-electricity-power-metal-physics-assembly-model-silver-jy39-size-6-5-x-3-74-x-4-72-inch","title":"MagicTech Hot Air Stirling Engine Cylinder Electricity Power Metal Physics Assembly Model Silver JY39 - size: 6.5 x 3.74 x 4.72 Inch","description":"\u003ch3\u003eAbout this item\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eEasy Operation \u0026amp; Long Lasting----Product Dimensions: 6.50x3.74x4.72 inches,Fill the alcohol burner with your 95% alcohol (we recommend this fuel) and light it. Let the light burn the round ended cylinder for about 60-120 seconds, then give the wheel a gently push, it will run like a charm.\u003c\/li\u003e\n\u003cli\u003eDIY Fun---- The stirling engine equipped with a multicolor LED, a light bulb and a lamp string, you can easily install different lights onto the motor. Because of the heat from high-grade alcohol, the engine will run madly and create the electricity. The power will go through the wire and drive the LED lighting.\u003c\/li\u003e\n\u003cli\u003eAmazing Style Engine----The stirling engine is powered by the expansion of the air and the compression of the cold. Feel the sense of metal and technology, reliable quality. The dry air expands to generate power. It cannot add water and liquor.\u003c\/li\u003e\n\u003cli\u003eWorking Principle----The principle of the closed cycle reciprocating engine with easy usage and operation is that the external heating makes the cyclic expansion and compression of the gas at different temperatures.\u003c\/li\u003e\n\u003cli\u003eWide Applications----The Stirling engine model comes in an elegant package, making it a thoughtful and impressive gift for Christmas and birthday gifts.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"MagicTech","offers":[{"title":"Default Title","offer_id":48200131903639,"sku":"B0GFDCX6DH-size-6-5-x-3-74-x-4-72-inch","price":142.74,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0735\/1032\/2327\/files\/41ae5NcLdxL.jpg?v=1788426792"},{"product_id":"tl866iii-usb-universal-programmer-eeprom-flash-8051-avr-gal-with-9-adapter","title":"TL866III USB Universal Programmer EEPROM Flash 8051 AVR GAL with 9 Adapter","description":"\u003ch3\u003eAbout this item\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eAll chips do not need external power supply, the low power consumption of its own to ensure that the USB port can provide enough power.\u003c\/li\u003e\n\u003cli\u003eThe minimumvolume and the low power consumption and do not feel any heat in process.\u003c\/li\u003e\n\u003cli\u003eGood internal 40 pin over voltage , the strongest VCC\/VPP 4‑level overcurrent . The short‑circuit do not reset the PC.\u003c\/li\u003e\n\u003cli\u003eSupport simultaneously burn with 4 Programmers each computer.\u003c\/li\u003e\n\u003cli\u003eWide range of chip 15000+ support, support for serial and parallel series 40\/44\/48PIN large capacity FLASH\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Walfront","offers":[{"title":"Default Title","offer_id":48200163721367,"sku":"B0B6B4BCR1","price":171.84,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0735\/1032\/2327\/files\/41ouTtHkQ5L.jpg?v=1788428558"},{"product_id":"stem-humidity-diy-kit-soldering-practice-kit-humidity-soldering-project-with-temperature-oled-display-for-electronics-enthusiasts-learn-arduino-programming-circuit-design","title":"STEM Humidity DIY Kit Soldering Practice Kit Humidity Soldering Project with Temperature OLED Display for Electronics Enthusiasts Learn Arduino Programming \u0026 Circuit Design","description":"\u003ch3\u003eAbout this item\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eAll-in-One STEM Learning Tool: Master electronics, coding, and environmental control principles by building a functional humidity controller. Ideal for students, hobbyists, and educators to explore real-world applications of sensors, microcontrollers (e.g., Arduino\/ESP32), and PID control systems .\u003c\/li\u003e\n\u003cli\u003eReal-Time Monitoring via OLED Display: Features an intuitive OLED screen that shows live temperature and humidity readings, with customizable thresholds for alerts. Ensures precise environmental tracking without external devices .\u003c\/li\u003e\n\u003cli\u003eSmart Humidity Control with Sensor Integration: Utilizes accurate DHT11\/DHT22 sensors to detect environmental conditions and automatically trigger humidification or dehumidification. Includes calibration support for reliable performance in labs, grow rooms, or homes .\u003c\/li\u003e\n\u003cli\u003eComplete DIY Kit with Premium Components: Includes all necessary parts: OLED display, DHT11 sensor, AT24C02 EEPROM chip (for threshold storage), motor drivers, PCB, jumpers, and detailed wiring guides. No extra purchases needed .\u003c\/li\u003e\n\u003cli\u003eHands-On Soldering \u0026amp; Customization Practice: Perfect for developing practical engineering skills—solder 90+ points, assemble circuits, and modify code (Arduino\/C++\/Python). 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Nearly 200 selected parts match Sections 1-3 by Charles Platt.\u003c\/li\u003e\n\u003cli\u003eBuild hands-on circuit projects on solderless breadboards, then move selected work to perforated board. The electrical components match the early lessons and diagrams.\u003c\/li\u003e\n\u003cli\u003eTest switching, sound, and control circuits with an electronics kit that includes passive parts and semiconductors. An 8-ohm speaker and 9V relay support key experiments.\u003c\/li\u003e\n\u003cli\u003eFour wire colors separate circuit paths, and alligator-clip leads handle temporary connections. ProTechTrader sorts components in labeled bags for fast cleanup.\u003c\/li\u003e\n\u003cli\u003eChoose the Economy component pack for Sections 1-3 at home, in supervised STEM, homeschool, or club use if you own bench tools and project power. Book sold separately. This product is not a toy and is designed for use by teens and adults ages 13 and up\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"ProTechTrader","offers":[{"title":"Default Title","offer_id":48200580038807,"sku":"B09HL6YXNQ-style-kit-1-ch-1-3-economy","price":129.46,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0735\/1032\/2327\/files\/31h0YKA5tWL.jpg?v=1788442255"},{"product_id":"make-electronics-3rd-edition-kit-1-deluxe-electronic-component-kit-style-kit-1-ch-1-3-deluxe","title":"Make Electronics 3rd Edition Kit 1 Deluxe Electronic Component Kit - style: Kit 1 (Ch. 1-3) Deluxe","description":"\u003ch3\u003eAbout this item\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eLearn electronics with ProTechTrader's Deluxe Kit 1 for Make: Electronics, 3rd Edition. Its 200-piece electronics kit matches early Sections 1-3 by Charles Platt.\u003c\/li\u003e\n\u003cli\u003eBuild breadboard circuits with specified passive parts and semiconductors, then move projects to perforated board. A double-sided organizer keeps labeled parts sorted.\u003c\/li\u003e\n\u003cli\u003eMeasure and assemble projects with the PDM631 multimeter and 30W soldering iron. Exact solder, heat-shrink tubing, wire, and test leads support the lesson work.\u003c\/li\u003e\n\u003cli\u003ePower the supported experiments with the supplied 9V battery, connector, or AC\/DC adapter. This electronics tool kit sets up a new beginner bench in one package.\u003c\/li\u003e\n\u003cli\u003eChoose Deluxe for home study or a supervised class when your new bench needs tools, project power, and the parts used in Sections 1-3. Book sold separately. 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The bundle combines Deluxe Kit 1 and Economy Kit 2 parts.\u003c\/li\u003e\n\u003cli\u003eBuild the book's circuits with resistors, capacitors, fuses, diodes, a breadboard, microcontroller, ICs, and transistors. The 500-item bundle keeps the core parts together for project work.\u003c\/li\u003e\n\u003cli\u003eAdditional contents include an IC assortment, 7-segment display, cylindrical magnets, voltage regulator, piezo crystal earphone, and Arduino Uno compatible controller with USB cable.\u003c\/li\u003e\n\u003cli\u003eKit 1 and Kit 2 include a storage organizer, bench tools, soldering iron, 9V adapter, and components for AC and battery-powered work. Package size is 12 x 13 x 3 inches.\u003c\/li\u003e\n\u003cli\u003eThe companion book is sold separately. Choose this component bundle when you have Make: Electronics 3rd Edition and need parts for its experiments. 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Sections 4-5 continue with logic, sound, and programmable electronics projects using the included Arduino-compatible board.\u003c\/li\u003e\n\u003cli\u003eMore than 150 parts cover the later circuits. The binary counter and 7-segment display support logic work, while the 2-inch speaker handles sound.\u003c\/li\u003e\n\u003cli\u003eThe pack adds a voltage regulator and piezo earphone. Magnets, magnet wire, and an Arduino Uno compatible board support the remaining projects; the Arduino-compatible board supports programmable electronics projects.\u003c\/li\u003e\n\u003cli\u003eThe matching book is sold separately; bring Kit 1, bench tools, and a project power source for Experiment 15. 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It has good electrical and mechanical properties, as well as the ability to withstand adverse weather conditions.All the live parts are installed in the insulating parts, and the operator's hands cannot touch the live parts after they are assembled into a row to ensure personal safety\u003c\/li\u003e\n\u003cli\u003eHigh quality conductive sheet:The conductive sheet is made of pure copper, which can fully ensure excellent contact performance and minimal contact resistance .At the same time, the standard size can be used with confidence\u003c\/li\u003e\n\u003cli\u003eThe installation structure is reasonably designed: No additional spring clamp is required. It can be conveniently installed on the guide rail just by using reasonable design structure and plastic elasticity.It is more reliable and flexible when used.It can be bent repeatedly without deformation . 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Standard size ensures compatibility and reliability\u003c\/li\u003e\n\u003cli\u003eEfficient Installation Design: No additional spring clamps needed. 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