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DEWIN Newtons Cradle Pendulum Steel Balance Swinging Magnetic Ball Perpetual Motion Desk Toy Physics Science Desk Fun Toy Swinging Kinetic Balls for Office Decor Gift 3.35 x 2.76 x 3.54 Inches

DEWIN Newtons Cradle Pendulum Steel Balance Swinging Magnetic Ball Perpetual Motion Desk Toy Physics Science Desk Fun Toy Swinging Kinetic Balls for Office Decor Gift 3.35 x 2.76 x 3.54 Inches

$20.88 USD
$20.88 USD
Sale Sold out
Taxes included. Shipping calculated at checkout.

About this item

  • ♛【Outstanding Advantage】: It is a very funny decompression toy that a ball can be used to hit other balls and swing. Not only demonstrates a pendulum, but also shows the Laws about conservation of Momentum and Energy.
  • ♛【Newtons Cradle】: Newton cradle demonstrates the third law of motion with swinging spheres; when one ball is lifted and released it sends force through the rest, pushing the end ball in the opposite direction; these swinging kinetic balls are perfect addition to your office desk decoration accessories or teaching tool at schools.
  • ♛【Perpetual Motion】: The pendulum balls show the conservation of momentum and energy, creating perpetual motion that is ideal for desktop display. Dimensions: The desk balls pendulum stand measures (L) x (W) x(H) 8.5 x 7 x 9cm / 3.35" x 2.76" x 3.54"
  • ♛【Reliable Quality】: Our newton's cradle desk toy is made with stainless steel bars, the balls have a reflective mirror finish, and the base is a lightweight plastic.
  • ♛【Perfect Gift】: As a creative decompression desk toy to amuse people. Perfect for decorating in the office, home and other indoor places. Can be a funny gift to your friends, family and children.

Low stock: 10 left

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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.

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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.

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