Balancing Balls

This Newton cradle is a creative decompression desk toy to amuse people.

Features:
- Demonstrates a pendulum theory, also demonstrates the Laws of conservation of Momentum and Energy
- Those magnetic balls are made of steel material, tough fishing line, bright, preservative and not easy to rust or break
- Perfect for decorating in the office, home, or used as a teaching tool

What's in the box
1 x Cradle Balance Balls