LED Newton's Cradle


The Newton’s Cradle has traditionally been the most eye-opening way to understand his theory of the conservation of energy. This colorful version, has LED-lit balls flashing in five ever-changing colors each time they meet.


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Additional Information

  • Dimensions: L: 7" x W: 6" x H: 7.75"
  • Power: Requires 6 x AA Batteries, not included
  • Warning: Choking Hazard (1) Not for under 3 years