Magnoidz Newtons Cradle

Keycraft Global Inc
$14.00
This classic desk toy would make the perfect gift for that special someone (even if that someone is yourself!). Use this simple mechanism to demonstrate the conservation of energy & momentum to your kiddos, or just use it to ease your mind for a few minutes. Minimal assembly required. Finished toy measures 4in x 3.75in x 4.25in. Recommended for ages 10+