Now you can experience the laws of conservation of mass and energy right on your fridge. This Newton’s Cradle Fridge Magnet will work great on your fridge, your locker, your filing cabinet and more.
It’s fun to watch and educational too. Just watch the balls go back and forth as you cook your meals and wait for things to boil.
Newton’s Cradle Fridge Magnet
- Newton’s Cradle Fridge Magnet
- Works great on anything ferrous: your fridge, your locker, your filing cabinet
- Watch the laws of conservation of mass and energy
- Dimensions: 6 1/4″ wide x 8″ tall x just shy of 5″ deep
- Weight: 8 oz.
Only $14.99 from ThinkGeek.com.