Perpetual Motion Machine, Birthday Gifts Electronic Science Desk Toy for
Description:
Excellent educational science gadget. Not only stimulate people's interest and exploration in physics, but also shows the laws of conservation of momentum and energy.
. Made of plastic, it is and smooth to touch,durable.
Decor.Great for home ornament, study or office desk table decor accessories, etc.
Gifts:A nice gift for friends, kids, family. sleek desk toy for adults and children!
Rechargable:Come with USB cable, push it by hands and it will use the USB powered to keep on swinging.
Size Chart:
Size:Approx.220x110x185mm/8.66x4.33x7.28inch
Package Includes:
1 Piece Perpetual Motion Toy
1 Piece USB Cable
5 Pieces Steel Balls
Note:
1. Please allow slightly error due to manual measurement.
2. Due to the difference between different monitors, the picture may not reflect the actual color of the item.
3. Wish you a wonderful on line shopping!
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2. We will reply to your email within 1 business day (except weekend).
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