Description:Not only demonstrates a pendulum, but also shows the principles of kinetic energy and conservation of momentum.When feeling tired of studying and working, you can stir balls to hear the clinking sound to ease.Both adults and children could experience the fun of mechanics in the process of playing this fun gadget and explore significant values of physics.
 

Product Color: Red
Product Material: ABS
Product Size: 7 L x4 W x 5.5H
PCS/CTN: 144
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Shipping Dimensions: 15*15*15
Shipping Weight: 40
Imprinting Method:Silkscreen
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