Simple equilateral plastic prism. Great for science projects and classroom demonstrations.
NEW 2016 DESIGN! This hip red tee features Pi to 1000 decimal places on an ultra soft 100% cotton shirt.
Learn about hydrogen fuel cells with this incredible kit!
This is a great clean heat demonstration model for the classroom setting!
Working model representing the sun, earth, and moon and their relationships.
Use this temperature-controlled soldering station for a variety of soldering applications!
Illuminate both your room and your mind with this ingenious Periodic Table Lamp.