PRODUCT NAME
Newtons Cradle Fun Steel Balance Ball Physics Science Educational Desk Toy Gift
PRODUCT CODE: PROD140009533
PRODUCT INFORMATION
\'Material: fixed for plastic plating + ABS plastic + iron
Size: 24 * 23 * 14cm
Note: need to use four batteries on the 5th (the product does not contain batteries)
Swing principle: first by hand to force its swing and then use the energy of the battery to continue to swing until the battery without electricity \'
