"power+supply"

Organize the study the disorder.

Stackable steel sieves for separating sediment or particles.

Demonstrate the rotational motion of Earth on its axis, its orbit around the Sun, and the revolution of the moon around Earth with this high-quality model.

Built to scale.

Pre-cleaned slides with deep concavities.

A compact sized globe for exploring the moon's features.

Prove that sounds needs a medium to travel through.

Demonstrate electrostatic principles with these easy to build electroscopes.

Complete set of springs for investigating Hooke's law.

Learn about spaceships and the international space station while creating different models.

Sift trough soil easily while in the field.

Investigate the thermal characteristics of three electrical thermometry devices
Explore the features and behavior of a closed loop digital temperature control system

Two or more magnifiers may be snapped together to produce increased magnification and to illustrate the principles of compound lenses.

Small temperature difference create motion in this unique engine.

Face shield provides reliable splash protection in a variety of applications and environments.

Heat resistance and safe support for glassware.