"tube coolers"

These loud resonance pipes can be heard in the largest classroom.

Prove that sounds needs a medium to travel through.

Generate your own sustainable energy by converting common organic waste into biogas with this easy-to-use kit.

With this collection of science kits, you and your students can explore the concepts behind and the many applications of solar hydrogen, direct methanol, and other fuel cell technologies.

This nickel coated plate uses a rubber pad to achieve air tight contact with a bell jar. It features a stopcock and center hole with safety screw plug and a rubber gasket.

Demonstrate the Difference Between the Specific Heat of Objects.

Dual purpose for Dual Benefits

Use Clean Energy to Power a Car that You Build!

This updated Ray Box uses five super bright LEDs for bright, white rays that are clearly visible.

Both of these sets come with a roll-up style canvas storage pouch and a solid rubber activator.

This aluminum tuning fork has sliding weights on each tine.

To Accompany Your Tuning Fork!

This kit lets students see the effect of electric and magnetic fields on an electron stream.

With this meter, you can survey for alpha, beta, and gamma radioactivity or monitor a work area.

These Physical Pitch Sets are highly accurate.

Produces a Louder Tone With a Greater Range of Audible Overtones