Mini Desktop Newton's Cradle

Newton's cradle balance balls
Every action has an equal but opposite reaction-right before your very eyes
Science demonstrated clearly and simply and with a touch of a amusement
To play with the balance ball is a game of fun. If you pull up one ball and release, you will see only one ball move from that reaction. If you pull up two balls, two balls will react
Dimensions (cm): 9 x 8.8 x 7.5
Weight (kg): 0.083
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FibroMom
FibroMom Oct 05, 2012
My dad had one of these on his desk when i was a kid! I LOVED playing with it - he said it helped him think... perhaps the thinking thing will work for me... worth a try! :) Thanks for the good memories and the Nice Deal! :)
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