This high-quality red laser pointer features a sturdy all-metal storage case and long opearting life (20,000hr +) solid-state laser diode.
Working model representing the sun, earth, and moon and their relationships.
Cool new Pi tee featuring ultra soft and light blue 100% cotton shirt.
Get this great introductory chemistry kit for your favorite young scientist!
Heavy-duty microscope for high-school and college biology labs. Magnification of up to 1000X.
Build your own windmill generator kit by recycling a plastic bottle!
This microscope is so versatile you can even take it with you on a job site!