"GSC International"

Glows with Characteristic Brilliance!

These free-running plastic pulleys are durable in design.

This unit is ideal for beginner electrolysis experiments.

Perfect for any circuits activity.

Demonstrate transformations of energy - thermal, electric, and kinetic - with this amazing device.

This versatile timer with infrared sensors can be used to measure the speed of a moving object.

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.

Useful for exploring the build-up of static electricity in physical science classrooms.

To Accompany Your Tuning Fork!

Great for displacement experiments and density measurements.

Double convex lens for optics experiments.

Shelf Life (months): Indefinite
Storage: Green

Jumbo-Sized Pulleys are Designed for Classroom Demonstrations