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Newton Pendulum Ball Balance Ball Rotating Perpetual Motion Physical

Original price $28.99 - Original price $37.99
Original price
$28.99 - $37.99
Current price $37.99
Material: Plastic
Origin: Mainland China
is_customized: No
Theme: Sports
Is Smart Device: NO
Style: Modern
Product number: Celestial perpetual instrument
category: model
modelling: Celestial orbit
Hanging form: Place adorn
material: plastic
Function 1: Perpetual motion machine balance ball
Function 2: Newton put the ball
Function 3: Balance model of steel ball
Function 4: Home Decortion
Color: Royal Blue