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- Vintage Kinetic Energy Balance Balls Circa 1990's BRAND NEW in Gift Box!
Vintage Kinetic Energy Balance Balls Circa 1990's BRAND NEW in Gift Box!
SKU:
222900435
$24.00
$24.00
Unavailable
per item
Named after Sir Isaac Newton, the Newton's Cradle Balance Ball demonstrates the conservation of momentum and energy via a series of swinging spheres. Pull up one ball then release and watch as it hits the next ball, knocking the end ball away from the others with the same speed as the first ball had initially hit it and leaving the remaining balls nearly at rest. For something different, lift 2 or more balls and watch the variations in actions. The Newton's Cradle Balance Ball is a great executive gift or for the child who is interested in physics. This item is novelty and will work for a short period of time on its own energy. Not meant for long extended kinetic periods of use.Vintage Original Package & BrandÂ
- New From the 1990's
- Measures 6" x 4" and about 5" High
- Styrofoam flat folder for easy shipping and storage
- Works on Kinetic Energy...Action and Reaction
- 2 Sizes to Choose From...Made for Novelty Use
- Never use a battery! Just Plain energy makes it work.
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