12 Inch Compass Geometry Tool with Protractor Ruler & Pencils - size: 12 inches+2 Pencils
12 Inch Compass Geometry Tool with Protractor Ruler & Pencils - size: 12 inches+2 Pencils
About this item
- All-in-One Compass Geometry Tool – Comes with a 12inch metal ruler, 6inch protractor, and two pencils for versatile drafting, geometry, and woodworking tasks. Everything you need for precise measurements and designs in one convenient set.
- Precision Drafting & Woodworking – This 12inch professional compass features a sturdy carbon steel construction for smooth, accurate circles and arcs. Perfect for carpenters, drafters, and artists, it includes a wing adjustment for secure locking at any radius.
- Durable & Reliable – The heavy-duty carbon steel compass ensures long-lasting performance, while the ergonomic handle provides a comfortable grip. The included metal ruler and plastic protractor resist wear for repeated use.
- Perfect for Professionals – Ideal for architects, engineers, carpenters, this compass geometry tool helps create flawless circles, measure angles, and draw straight lines with ease. Great for technical drawings and DIY projects.
- Complete Drawing & Measuring Solution – With a 12inch compass, 6inch protractor, 12inch ruler, and two pencils, this compass geometry tool covers all your drafting needs. The wing nut allows quick adjustments, making it a must-have for precise designs.
Couldn't load pickup availability
Low stock: 10 left
View full details

Reviews
-
⭐⭐⭐⭐⭐
Emily Carter — Seattle, Washington
The science kit was clearly organized and easy to follow. It made our weekend project feel enjoyable and gave us plenty of opportunities to explore each idea together.
-
⭐⭐⭐⭐⭐
Daniel Brooks — Austin, Texas
I liked the variety of hands-on projects available at TinkerVanta. The kit we selected was engaging, practical, and well suited to a curious beginner.
-
⭐⭐⭐⭐⭐
Lauren Mitchell — Denver, Colorado
The building project kept us interested from start to finish. The finished model was rewarding to complete, and the activity encouraged creative problem-solving along the way.
-
⭐⭐⭐⭐⭐
Jason Reed — Portland, Oregon
Our electronics project was a fun introduction to circuits and basic engineering concepts. The hands-on format made the activity easier to understand and more memorable.
New Arrivals
-
Mattel Brick Shop Hot Wheels Lamborghini Miura P400 SV Building Toy Kit
Regular price $215.78 USDRegular priceSale price $215.78 USD -
Palace Learning Laminated Digestive System Anatomical Chart - Gastrointestinal Anatomy Poster 18" x 24" - color: Laminated
Regular price $16.58 USDRegular priceSale price $16.58 USD -
LeMotech ABS Plastic Junction Box Dustproof Waterproof IP65 Electrical Enclosure Box Universal Project Enclosure Grey with PC Transparent Clear Cover6.3 x6.3 x3.54 inch(160 x 160 x 90 mm) - size: 6.3"x6.3"x3.54"
Regular price $28.20 USDRegular priceSale price $28.20 USD -
31-Piece Clear Inner Box Organizer for Hardware - color: Clear
Regular price $19.90 USDRegular priceSale price $19.90 USD -
rowood 3D Wooden Puzzles for Adults, Steam Engine Car Model Kit, 1:28 Scale Mechanical Steam Locomotive Wooden Puzzle, 469PCS,Assembly Time 6H, Awesome Gifts for Adults
Regular price $99.58 USDRegular priceSale price $99.58 USD -
5-in-1 Remote Control STEM Robot Building Kit with LED Light – Transformable Models, Eco-Friendly Rechargeable, App-Controlled, Engineering Toy for Kids 6+ (673PCS)
Regular price $49.78 USDRegular priceSale price $49.78 USD -
LeMotech ABS Plastic Junction Box Dustproof Waterproof IP65 Electrical Enclosure Box Universal Project Enclosure Grey with PC Transparent Clear Cover 6.3 x 4.3 x 3.5 inch(160 x110 x 90 mm) - size: 6.3"x4.3"x3.5"
Regular price $23.22 USDRegular priceSale price $23.22 USD -
LeMotech ABS Plastic Junction Box Dustproof Waterproof IP65 Electrical Enclosure Box Universal Project Enclosure Grey with PC Transparent Clear Cover6.2 x 3.5 x 2.3 inch(158 x90 x60 mm) - size: 6.2"x3.5"x2.3"
Regular price $16.58 USDRegular priceSale price $16.58 USD -
Starlink Mini Tripod Mount Kits, WindPro Wind-Resistant Design, Adjustable Height and Angle Tripod Mounting Kit with Starlink Mini Satellite for Camping and RV Travel - style: Tripod Bracket
Regular price $43.14 USDRegular priceSale price $43.14 USD -
31-Piece Pink Inner Box Organizer for Jewelry Making - color: Pink
Regular price $21.56 USDRegular priceSale price $21.56 USD -
Uno R3 Kit Mega328 Tutorial | 40 in 1 Electronics Circuit Breadboard Engineering Kit for Kids and Engineers, 720P Video Courses and Online Technical Support for Beginners
Regular price $74.68 USDRegular priceSale price $74.68 USD -
LeMotech ABS Plastic Junction Box Dustproof Waterproof IP65 Electrical Enclosure Box Universal Project Enclosure Grey with PC Transparent Clear Cover 4.7 x4.7 x3.5 inch(120 x 120 x 90 mm) - size: 4.7"x4.7"x3.5"
Regular price $23.22 USDRegular priceSale price $23.22 USD -
Starlink Mini Suction Cup Mount with Starlink Mini Satellite - 3.5X Stronger Grip, 90mm Vacuum Chamber, Anti-Shake for Car/RV/Window Roof - style: Suction Cup Bracket
Regular price $33.18 USDRegular priceSale price $33.18 USD -
DIY Stress Ball Making Kit with Fillers-15 Stress Balls Skins-Squishy Making Kit- DIY Craft Kits Stress Balls - Handmade Make Your Own Stress Ball Kit for Adults - Crunchy Relaxing - color: Three-color Set
Regular price $41.48 USDRegular priceSale price $41.48 USD -
LeMotech ABS Plastic Junction Box Dustproof Waterproof IP65 Electrical Enclosure Box Universal Project Enclosure Grey with PC Transparent Clear Cover 3.9 x 2.7 x 2 inch(100 x 68 x 50 mm) - size: 3.9"x2.7"x2"
Regular price $13.26 USDRegular priceSale price $13.26 USD -
Starlink Mini Magnetic Car Roof Mount - 12 Strong Magnets, 80lbs Super Pull Force, Anti-Scratch Rubber Coated Mounting Kit for Car, RV, Vans, Truck, Boat - style: 360 Magnetic Swivel Mount
Regular price $33.18 USDRegular priceSale price $33.18 USD -
MIOYOOW Halloween Haunted Castle Soldering Kit, LED Light DIY Kit for Teens
Regular price $28.20 USDRegular priceSale price $28.20 USD -
DIY Stress Ball Making Set for Adults, Squishy Make Set with 15 TPR Ball Skins, 9 Types of Fillers, Air Pump, Vacuum Tool, Plugs & Cable Ties, Make Your Squishies for ASMR Anxiety Relief Sensory - color: Multi-color Set
Regular price $46.46 USDRegular priceSale price $46.46 USD
FAQ
1. What types of products does TinkerVanta offer?
TinkerVanta offers science kits, engineering projects, robotics, electronics, building models, maker crafts, workshop supplies, and educational exploration activities for a variety of interests and skill levels.
2. Are your products suitable for all ages?
Recommended ages vary by product. Please review the age guidance, skill level, dimensions, included components, and safety information on each product page before ordering. Adult supervision may be required.
3. How do I choose the right kit?
Consider the user’s age, interests, experience, and preferred project type. Product descriptions provide information about contents, difficulty, assembly requirements, and recommended use to help you compare available options.
4. Are batteries, tools, or additional materials included?
Included components vary by product. Some projects may require batteries, household materials, tools, adhesives, or other supplies that are sold separately. Please check the individual product description before purchasing.
5. When will I receive my tracking number?
Tracking information is usually provided within 3–5 business days after an order is placed. During busy periods or when additional processing is needed, it may take up to 7–8 business days.
6. How long does delivery take after tracking is provided?
Delivery time depends on the carrier, destination, weather, and other transportation conditions. After tracking becomes available, delivery may require approximately 4–5 additional business days or longer in some circumstances.
7. Why is my tracking information not updating?
Carriers may need additional time to scan and update a shipment after the tracking number is created. Please allow a few business days for movement to appear. If there is still no update, contact us for assistance.
8. Can I change or cancel my order?
Contact us as soon as possible after placing your order. We will try to accommodate your request, but changes or cancellations cannot be guaranteed once processing or shipment preparation has begun.
9. What should I do if my order arrives damaged, defective, or incomplete?
Contact us promptly with your order number, a description of the issue, and clear photos of the product, packaging, and shipping label. We will review the information and explain the available resolution options.
10. How can I contact TinkerVanta?
Email us at zircorncirkne@gmail.com or call +1 (936) 260-5549. Please include your order number when contacting us about an existing purchase so we can assist you more efficiently.
Blog posts
View all-
The Beginner’s Wiring Rescue: 7 Steps to Fix a ...
Learn how to troubleshoot common wiring mistakes in beginner robotics and STEM kits with a systematic, hands-on approach. Discover how to trace circuits, check connections, diagnose motors, and turn failed...
The Beginner’s Wiring Rescue: 7 Steps to Fix a ...
Learn how to troubleshoot common wiring mistakes in beginner robotics and STEM kits with a systematic, hands-on approach. Discover how to trace circuits, check connections, diagnose motors, and turn failed...
-
Why Your Beginner Robot Won’t Move: 7 Wiring Mi...
Is your beginner robotics kit not working? Learn how to troubleshoot common wiring mistakes, check power and polarity, inspect motors, and turn robot failures into valuable STEM learning opportunities.
Why Your Beginner Robot Won’t Move: 7 Wiring Mi...
Is your beginner robotics kit not working? Learn how to troubleshoot common wiring mistakes, check power and polarity, inspect motors, and turn robot failures into valuable STEM learning opportunities.
-
How to Fix Beginner Robotics Kit Wiring Mistake...
Learn how to troubleshoot beginner robotics kit wiring mistakes without rebuilding the entire project. Discover practical STEM troubleshooting techniques for motors, power connections, polarity, and DIY robots.
How to Fix Beginner Robotics Kit Wiring Mistake...
Learn how to troubleshoot beginner robotics kit wiring mistakes without rebuilding the entire project. Discover practical STEM troubleshooting techniques for motors, power connections, polarity, and DIY robots.

















