Description: 3 Pieces Newton's Cradle steel balls and 2 pieces plastic balls The balls kit demonstrates a pendulum, but also shows the Laws of Conservation of Momentum and Energy Friction and damping effects are also observed Easy and convenient to use Used for physics force teaching/experiment, also suitable for the place such as office, desk table, computer table etc. Specification: Material: Steel, plastic Color: Red, silver, white The Biggest Steel Ball Diameter: Approx. 2.5 cm/1 inch Package Includes: 3 Pieces Steel Balls 2 Pieces Plastic Balls 1 Piece Rope Note: Please allow slightly difference due to manual measurement. Color may be slightly different since different monitor. Thanks!
