Smithsonian
Smithsonian Science Activities, Newtons Cradle,96 months to 216 months Gray
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$32.95
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Includes Newton's Cradle and Color Poster with Instructions
- Demonstate Conservation of Linear Momentum
- Swing One Ball, or Two and observe Equal Reaction on the other end
- Named after Sir Isaac Newton and his Third Law Of Motion
- Includes 23" x 17" ( 58 cm x 43 cm) Color Poster
- Age 8 and Up