"The Mystery of Lyle and Louise"

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

Build the basic molecules of life.

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

Formalin Preserved

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

Demonstrates operation of motors and generators.

Sand, pebbles, and gravel are all ideal for earth science experiments and simulated excavations.

This is a classic example of thermodynamics in action.

Investigate flowering plant meiosis

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