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- Classic Kinetic Motion Desk Toy entertains, soothes your senses and teaches Newton's Cradle concept of kinetic energy where every action has an equal but opposite reaction
- Albert Einstein later used this proof to develop his Theory of Relativity
- Approx. 4.5 inches tall
- ComputerGear exclusive
Classic Kinetic Motion Desk Toy entertains, soothes your senses and teaches Newton's Cradle concept of kinetic energy where every action has an equal but opposite reaction. Approx. 4.5 inches tall.
