Kinetic Art Perpetual Motion Machine Automatic Marble

Features: 1.【Kinetic Art, Electronic Perpetual Motion】Very good children's science educational toys, improve children's ability to explore scientificteries.Perpetual motion machine for adult stre reliever. I could keep watching it forever. It’s a neat focal point to release stre ar a busy day of working. 2.【Perfect Design】Perpetual motion machines are made of high-quality plastic，Use dynamics to allow the ball to loop over it indefinitely. Amaze your friends and make them scratch their heads with this clever toys. Every one will love it. 3.【MULTIPLE PURPOSES】It’s a claic desk acceory is art-in-motion. This cool desk toy will be a good icebreaker when you lay it in your office desk or your home desk. Use it to waste time, relieve stre, tune out boring coworkers, or schooling youngsters in physics. It will be nice desk toy. Good representation of torque and center of ma. It’s not only demonstrates pendulum motion, but also helps to show the laws of conservation of momentum and energy. 4.Wood color(Built-in battery Wirele version)：Built-in 18650 lithium battery, the product comes with a charging port, it takes about six or seven hours to fully charge, and the product can be used for four hours ar being fully charged. Specification: Style: Yellow（Usb direct plug），Wood color (Built-in battery Wirele version) Material: Plastic Size：as shown Package Included: Yellow（Usb direct plug）:1pcs*1*Electronic Perpetual Motion（Usb direct plug）, 5*steel ball,1*USB charging cable. Wood color (Built-in battery Wirele version):1pcs*1*Electronic Perpetual Motion(Built-in battery Wirele version), 5*steel ball,1*USB充电线. Note: Please allow 0.5-1cm error due to manual measurement. pls make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!

About shipping

Shipping and Packaging All it will be double checked and well packed before sending.It will be dispatched within 2 business days ar buyers pay for the order. It usually takes about 14 to 18 working days for delivering the package to the destination(for remote areas,it may take a little longer). 




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Please fill in the correct and detailed consignee, address and phone number in the order. For fast and correct delivery.If you do not receive order within 30 working days,please feel free to contact Customer Service before leaving Negative and Neutral Feedback, we will do our best to help you resolve the problem.TaxNo, you will only pay what is quoted as total cost at checkout, no more. You are not expected to pay any additional duties ores. If you are asked by Customs or our logistic partner to pay duties, please contact our Customer Service .




Your 100% satisfaction is very ant to us

If the product is not on good condition, You can return this product within 14 working days, please contact customer service center before returning.FeedbackYour satisfaction is our first priorityIf you receive the order and it is in good condition,we would be grateful if you would leave us 5 star Positive Feedback for the transaction.