Newton’s Cradle Fridge Magnet

Everybody who has studied basic physics knows about Newton’s Cradle. It is device that demonstrates conservation of momentum and energy. You don’t have to be in a physics lab to have one of those around though. The Newton’s Cradle Fridge Magnet attaches to your refrigerator and helps you have a lot of fun. Just like larger versions, you might spend a lot of time looking at your refrigerator when you have one of these around.

This measures 6 1/4″ wide x 8″ tall x just shy of 5″ deep. It weighs 8 oz. Sets you back $14.99.

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