This 3.7V lithium battery is perfect for solar science fair projects involving panels. Also great for building an off-grid solar power system for camping, RVs, or boats. Multiples can be hooked together in series to get higher voltage or in parallel to acheive higher capacity.
See the constellations visible in the Northern Hemisphere on this watch!
This mirascope creates a 3D hologram image!
Heavy-duty microscope for high-school and college biology labs. Magnification of up to 1000X.
Is it a demonstration of a scientific law or a work of art?
Get swept away by this fantastic robot kit that uses vibrations to move!
View the glory of space with this hi-tech telescope set!