"SILICO & chemical PORCELAIN SE"

Demonstrate Characteristics of Primary and Secondary Cells

The Centripetal Force Kit is inexpensive and effective.

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

Students discover earth's hidden secrets with the Break Your Own Geodes Kit

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

Pins

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.

Measure soil quality and learn about pollution.

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

Each vial is a dropper bottle with enough freeze-dried serum to make 5 mL of reconstituted serum

These Orange Unit Cubes will help your students or kids learn math concepts by providing them a visual model.

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

Ideal for demonstrating that vapor pressure increases when temperature increases.

Mark Evidence for Photography

The Large Wave form helix easily demonstrates wave phenomena.