- Brand new and high quality.
- Not only demonstrates a pendulum, but also shows the Laws of Conservation of Momentum and Energy.
- Friction and damping effects are also observed.
- Often used as a toy to amuse people.
- Great gift for everyone.
- Size:7.5cm x 9cm x 9cm – 2.95inch x 3.54inch x 3.54inch.
- 1 x Newton's Balance Balls Desk Toy
NO Retail Box. Packed Safely in Bubble Bag.