"Janitorial Supplies"

Demonstrate the transformation of energy.

Trebuchet: the greatest weapon from the ancient world

This is an excellent, inexpensive apparatus for experiments in precession, inertial guidance, and gyroscopic stabilization.

This unit is ideal for beginner electrolysis experiments.

Dramatically Demonstrate that Temperature Increases with Pressure

Dramatically Demonstrate Electromagnetism.

This DC Motor arrives completely assembled.

This box shows Planck's Constant in action.

Bring older, weaker magnets back to life with this magnetizer.

Closely wound steel helix for studying wave behavior.

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

This is a complete optical bench system at an affordable price.

The Density Identification Set is ideal for an investigation lab.

Demonstrate the optical principles of lenses and mirrors.

Versatile Apparatus for Electrostatics Lessons.

Students investigate the relationship between linear and angular velocity.