"gel box"
Resistance Substitution Apparatus
The Resistance Substitution Apparatus is convenient for general-purpose resistance work.
Expand 1 item
Ray Box
This updated Ray Box uses five super bright LEDs for bright, white rays that are clearly visible.
Expand 1 item
High Speed Gearbox
The High Speed Gear Box, High Efficiency, is perfect for high speed applications
Expand 1 item
Worm Gearbox
With the Worm Gear Box, High Efficiency, it is possible to have high power or high speed with two different gear ratios
Expand 1 item
Gas Convection Apparatus
An ideal apparatus for studying convection currents in the air
Expand 1 item
Laser Optics Demonstration
Delivers outstanding demonstrations of over 70 phenomena in geometric and physical optics.
Expand 1 item
Tuning Fork and Resonator Box Set
Produces a Louder Tone With a Greater Range of Audible Overtones
Expand 1 item
Interferometer
Complete both Michelson interferometer and Fabry-Perot interferometer experiments with this high-grade equipment set.
Expand 1 item
Essential Physics Demos: Color Mixing with Light and Paint
Study the Difference Between Light and Pigment
Expand 1 item
Skill Sticks
With a bit of glue, a little imagination, and these skill sticks, your students can build just about anything they can come up with.
Expand 1 item
Basic Simple Machines Kit
Investigate the basic simple machines with this inclusive kit.
Expand 1 item
3 Wire Sonometer
This 3-Wire Sonometer is a perfect way to illustrate the resonance of a wire based on tension and wire diameter.
Expand 1 item
Whiteboard Color Optics
Whiteboard Color Optics are a complete system for investigating color, reflection, and refraction.

