Great buzzer for science fair projects. Optimal for 3V DC (two standard AA batteries in series will work!)
Create your own circuits or test batteries and solar cells with this buzzer. Connect it to a battery and a key switch to make your own Morse code circuit.
Discover a world of kaleidoscopic effects within this perfectly clear prism of the Light Crystal!
Heavy-duty microscope for high-school and college biology labs. Magnification of up to 1000X.
Build 20 different solar powered models with unique building pieces, controlled by an RC handset!
Head into the lab for an in-depth investigation of genetics and DNA!
Shake the Pet Tornado clockwise and watch the mini tornado funnel form before your eyes!
The LCD Digital Microscope II is a professional biological microscope at an affordable price. Up to 1600X with digital zoom!