Doubtless-Bay-Plastic-Tellurian-Newtons-Cradle-Ball-Pendulum-Balance-Balls
Tellurian Balance Balls makes a great desktop gift.
It keeps you occupied for hours at work.
It demonstrates a pendulum.
It shows the Laws of Conservation of Momentum and Energy.
S: approx. 22.5*14.5*24.5cm
Pls note: Colors shown in pictures may slightly differ from actual product due to lighting and color settings.