This handy digital tachometer measures the working speed of an engine (especially in a road vehicle) in revolutions per minute (RPM) via laser. The meter ranges from 2.5 - 99,999 RPMs. Perfect for use around the house or in the garage, and great for obtaining precise measurements on engines in classroom experiments. Displays to the tenth decimal.
This black scorpion specimen is great for the classroom setting!
Heavy-duty microscope for high-school and college biology labs. Magnification of up to 1000X.
Get one of the craziest and coolest kaleidoscopes around!
This advanced physics kit is perfect for older children already versed in physics knowledge!
Perform awesome experiments using everyday materials found in any kitchen!
An unconventional ball-tossing, head-catching challenge for 2 players or teams!