"micro tube racks"

The Air-Cooled Laboratory Rheostat is the classic lab solution for controlling voltages and currents.

Effective Method of Showing Normally Invisible Currents

Students understand atomic line spectra in a whole new light.

The Centripetal Force Kit is inexpensive and effective.

Glows with Characteristic Brilliance!

Small electrolysis apparatus with beaker included.

The Moment of Force Apparatus contains everything needed to study principles of mass, levers, moments, forces, and equivalence.

The 3D Magnet Viewer displays clear views of magnetic fields.

This demo features a cathode beam to explain the electromagnetic nature of electrons.

This is a classic example of thermodynamics in action.

Add some tech power to your rocket experiments and take the guesswork out of altitude measurements.

Ground-breaking increases in speed and performance compared to the Raspberry Pi 3 Model B+.

Ideal for demonstrating that vapor pressure increases when temperature increases.

Great for classroom demonstrations involving power plants or conversion of energy.

This semi-quantitative spectroscope is a simple and economical alternative to expensive equipment.

This newly designed rheostat features a protective cover.