"SILICO & chemical PORCELAIN SE"

Easy to Study Inertia and Mass

Compare How Different Gear Configurations Function

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

A simple tool for communicating complex workings of electricity, this plastic battery holder is fitted with three banana plug jacks.

The Centripetal Force Kit is inexpensive and effective.

This set features a handy, economical selection of density cubes.

Four gears of different sizes, perfect for any investigation or maker project.

Operates 1/2 to 3 volts, 100ma start-up / runs at 15ma no load.  Strong torque - 300 RPM @ 1/2 volt. Great for gear drives.  2mm shaft dia. Size 1 1/4" dia x 1 1/4" long. 

Lessons in Optics and Light in the Palm of Your Hand Colorfully illustrate additive and subtractive color mixing, color transmission, absorption and filtering of the different wavelengths of light with this set of primary and secondary color mixing paddles. You can also use the diffraction gratings in this set to view spectra from different light sources. Show students how a spectroscope, colored lights, and even polarized sunglasses work with the contents of this set.

The Sunprint Kit includes sun sensitive paper to help you make photographic prints using the power of the sun.

WARNING: CHOKING HAZARD–This toy is a marble. Not for children under 3 yrs.

Ideal for demonstrating that vapor pressure increases when temperature increases.

The Large Wave form helix easily demonstrates wave phenomena.

Good for magnetic experiments. Not so good with coffee.

The High rpm Steam Engine features an electrically-heated horizontal boiler.

This low-cost, portable unit instantly measures levels of harmful beta, gamma, and X radiations on its compressed scale meter.