"Wards"

Apparatus to study convection of gas.

Takes the Heat

Straws made of plastic.

Nails

With this stainless steel mirror, students can perform experiments using light rays with plane, concave, and convex mirrors all in one convenient and easy to use tool. The flexible metal curve can be switched to convert from a concave to convex mirror.

This working model thermostat will demonstrate how differential expansion is used to control temperature. A bimetallic strip is used to open or close an electric circuit when temperature changes. The contacts will carry about three amperes. The unit can be operated with a 6 V lantern battery, low voltage power supply, or a blow dryer. Mounted on a metal base; approximately 15 cm high.

Hands-on investigation even explores light separation.

Teach magnetism, motion, Newton's Laws, and more with this fun ball launcher. Simply align these powerful neodymium magnets on a linear rail and arrange steel balls in a sequence for a truly engaging lesson.

Great acessory for demonstrating static charge.

Efficient combination of a pump and a vacuum plate.

An excellent apparatus for showing the function of parts in an AC or DC motor and generator. Operates as either a shunt-wound or series motor. The unit is similar to the St. Louis Motor. Included with the motor are a powerful horseshoe magnet and an electromagnet.

These economical slides are available in a variety of types.

The lidded test tube basket is ideal for securely holding and organizing test tubes in the lab.

This 400,000 Volt van de Graaff kit is powerful, rugged, and economical.

A great visual for the classroom

This laser ray box is adjustable, magnetic, and bright enough to use in ambient light.