"micro tube racks"

This vacuum plate and pad are the perfect tools for vacuum experiments.

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.

Useful for physics and sound demonstrations.

This apparatus illustrates the effect of gravity on projectile motion.

Budget-friendly, yet reliable, this projectile launcher comes with plastic marbles for safety.

Investigate centripetal force with this easy to use device.

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

Build a working excavator to explore hydraulic mechanics in a fun, hands-on way.

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

This excellent quality electrostatic generator consists of a charge generation system, an aluminum collector sphere, and an electric motor drive on a sturdy base.

Determine the capacitance of a plate capacitor.

Organize a DIY race, fueled by hydrogen generated electricity!

Create your own brick-based electronics projects in minutes with these Crazy Circuits sets.

Map light intensity vs. position for various slit geometries.

High quality linear expansion apparatus to study thermal expansion.

Prove that sounds needs a medium to travel through.