Newtons Cradle Office Desk Toy Gravity Balance Balls 5.3″X 4.5″X 5.5″ Medium
USD 9.99 USD
Specifications
| Return Shipping Will Be Paid By | Seller |
| All Returns Accepted | Returns Accepted |
| Item Must Be Returned Within | 30 Days |
| MPN | Does Not Apply |
Strong line-- Instead of cheap fishing line which other sellers used, our newton cradle use high quality nylon line which is strong enough to not be broken easilySWING TIME--The balance balls continue in perpetual motion for only 15-20 seconds due to the resistance of the air and friction, but it won't influence the effect of playing although it can not reach the seamless convergence among balls in the vacuum.PHYSICS EDUCATION TOY--It is a nice gift, we can send it to our friends, children, family.APPLICATION--You can put it on your office desk or your home desk or on your shelf. It will be cool desk toyMedium size: 5.3"X 4.5"X 5.5" .
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