"The Mystery of Lyle and Louise"

Intermediate hardness and melting point.

Students use the St. Louis Demo Motor to research fundamental principles of electric motors and generators.

Strong aluminum alloy extends the length of lab frame rods.

A Graphic Look At Key Science Concepts

Highly absorbent non-stick pads are designed to protect wound sites.

Demonstrates operation of motors and generators.

Ectoparasite of Wild and Domestic Dogs

Fish louse or similar genus. Fish parasite.

We’ve assembled this special Fossil Study Pack to make your classroom activities on ancient life both rewarding and more cost effective.

This hand-driven centrifuge is ideal for simple classroom demonstrations.