Newtons Cradle Balance Balls with Red Base Science Psychics Desk Fun Gadget Toys for Office and Home Decoration-Small Red

Price: $9.99
(as of Oct 29,2020 13:36:42 UTC – Details)

Strong Line: Our newton cradle use high quality nylon line which is strong enough
Wide application:Apply to psychology, relax your press while you feel tired at working. It could be the great desk toys for office for adults. Teaching tools, great to explain the perpetual physics.
Plastic base: The hard plastic base can keep the smooth operation of the newton’s cradle balance balls
Restless: With steel frame and 5pcs high polished smooth steel balance balls, which is more durable and easy to transfer and store more energy when collide
Longer swing time:The newton cradle balance balls continue in perpetual motion for 10-20 seconds due to the resistance of the air and friction

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