Description
- A futuristic take on this classic desk accessory.
- Bright, multi color LEDs in each sphere.
- See the laws of conservation of mass and energy expressed in color!
- Experiment with releasing multiple balls at once and observe the effect. Authentic Fun Central Branded, absolutely awesome Cradle Balance Balls.
- The Newton’s Cradle makes a fun conversation piece, and fits perfectly on a desktop or coffee table.
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