Vortex action? Potential energy being converted to kinetic energy? Centrifugal force? If you‚Äôve never seen the Tornado Tube¬Æ in action you may n...View full details
Student grade bulb thermomer. Ranges from -35 to 50 degress celcius and -30 to 120 degrees fahrenheit. Measured in 2 degree subdivisions. Do not ...View full details
The New Astronomy Book ...View full details
The thermometer clings electrostatically to the window. Easy to read, no more squinting or running outside to read the thermometer. This thermome...View full details
A what? Radiometer is just a fancy name for this Solar Engine. It demonstrates the principles of energy conversion and shows how heat and mechanica...View full details
Get our monthly special offers! Add Your Email Address to our Newsletter.
Contact our friendly customer service toll free. We'll be happy to find a product for you, or send you our catalog.
Free shipping in Continental USA with any $100+ order!