"GSC International"

These rubber balls appear identical but differ in elasticity to demonstrate energy conversion.​

Simple and Inexpensive

An inexpensive fresnel lens measuring 47×67×1 mm thick with a viewing area of 79×42 mm.

Flexible, 18 gauge wire with a banana plug at one end and an alligator clip at the other.

To Accompany Your Tuning Fork!

Make displacement and density concepts visible with simple overflow collection.

Double convex lens for optics experiments.

Jumbo-Sized Pulleys are Designed for Classroom Demonstrations

The easiest small DC motor for your maker projects.

Let students detect static charge through a visible electroscope response.