"Wards"

Constructed from a solid wood block, with 15 slotted holes accommodating tubes up to 13 mm in dia. Size: 1-3/4" H x 8-1/2" W x 2" D.

These test tube brushes feature a radially tufted tip.

Lower Frequency Than Traditional Forks

Experiment With Sound Wave Interference

Ideal for charging wet cell batteries, electroplating, electrolysis, and many other applications.

This bell jar demonstrates that sound waves can't travel and therefore can't be heard without air or matter.

This power–saving alternative to a traditional ray box is portable and durable.

Hands-On and Versatile Demonstration of Mechanics

Investigate the power of simple machines.

Three Classic Simple Machines in One Kit.

Fun, Hands-On, and Safe Exploration of Force

Students explore conservation of momentum with real-world machinery in this Collision Cart.

Teachers can present high-intensity demonstrations in rotational inertia or experiment with forces involved with a bicycle gyroscope with this Rotational Platform.

The low voltage power supply is designed for electrophoresis.

Double the Voltage

Simple Version of Foucault’s Early Experiment