"solar binocular"

Easily determine pH with the universal indicator chart.

Economical and effective.

For Use With Solar Cell.

What Happens When You Combine All Colors of Light?

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. 

Learn how sunglasses work!

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.

Study the Difference Between Light and Pigment

Reveal the Nature of Color and Light

Examine the Role of Light Waves in Alternative Energy

Every color of the rainbow available!

Developed in collaboration with a science teacher from Pennsylvania, our build your own solar LED Jar light is a fun and creative way to teach and learn about solar electricity. Use your own mason jar or recycled jar and build a colorful LED light that automatically comes on at night and goes off at dawn. Comes with everything you need. This kit requires soldering. Tools needed are soldering iron, solder & flux, hot glue gun, electric drill, 3V 70mA Polycrystalline Solar Panel, Dusk/dawn circuit board, 2 Bright 5mm LED's BLUE, 2 AAA NiMH rechargeable batteries & Battery holder and wires.
A portion of the proceeds from the sales of this kit are being donated to help provide solar lighting solutions to disadvantaged communities in Africa.

Whiteboard Color Optics are a complete system for investigating color, reflection, and refraction.

Photocells with included connecting wires

Spare color filter set to be used with Light Box and Optical Set.

Explore properties of light with primary and secondary colors.