Feature:
100% brand new and high quality.
Quantity:1pcs.
Material: metal and plastic.
Color : show as picture .
Not demonstrates a , but also shows the Laws of Conservation of and Energy
Friction and damping effects are also observed
Includes steel balls, plastic frames and base
Size:9 x 7.5 x 8.5 cm.
Net Weight: Approx 90g.
Easy and convenient to use.
Package Include:
1 x Balance Balls Desk Physics Science Desk Toy .
Feature:
100% brand new and high quality.
Quantity:1pcs.
Material: metal and plastic.
Color : show as picture .
Not demonstrates a , but also shows the Laws of Conservation of and Energy
Friction and damping effects are also observed
Includes steel balls, plastic frames and base
Size:9 x 7.5 x 8.5 cm.
Net Weight: Approx 90g.
Easy and convenient to use.
Package Include:
1 x Balance Balls Desk Physics Science Desk Toy .