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Perpetual motion machine. I could keep watching it forever.
Marble Perpetual Machine is a very unique, one-of-a-kind toy/decor gadget.
Amaze your friends and make them scratch their heads with these clever toys. Everyone will love it.
- Material: the Wooden parts are made of Doussie (very high-quality wood). The wire is made from Stainless steel.
- Dimension: 7in*7in*4in/17cm*17cm*10cm (LxHxW)
- This product is powered by electromagnetic
- USB powered
- Color: Only the natural color is available. Please refer to the last listing photo. Please understand that the actual color of the final product may be different from the photo a little; every piece of wood is different.
Get amazed by this wonderful perpetual marble machine, just drop a ball and let the power of kinetic energy take over in producing an endless loop. Buy for your own collection, or gift a loved one to fuel their science fun.
Make this the center of attraction of your next party with our cool toy gadget! Share the fun of science with your friends.
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The items will be shipped by Fast Post, It will take 4 - 7 working days from the shipment date.
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Please allow 2 – 4 business days of processing and production time for your order to ship out.
HOW LONG IS THE SHIPPING TIME?
U.S orders will be shipped via USPS & Epacket and International Orders will be shipped depending on the fulfillment center the product is from.
Average transit times to the United States: 6 – 15 Business days Average transit times to International: 7 – 30 Business days