Supertek Newtonian Demonstration

Supertek Newtonian Demonstration | This Newtonian Demonstrator is a large size to clearly explain the theory. Wooden frame consists of five nickel plated steel balls of uniform mass suspended from the frame. Includes instructions. Size: approx. 9 L x 7 W x 8 H. Supertek Scientific has been providing premium quality, yet affordable products for the US educational and scientific markets since 2013.