Large 500ml graduated cylinder. Great for chemistry experiments in the science classroom or in a lab setting.
Provides the power to execute all the basic electrostatic demonstrations on an energetic and dramatic scale with up to 350,000 volts!
Cool new Pi tee featuring ultra soft and light blue 100% cotton shirt.
Create beautiful art with this amazing sun paper!
Explore the wonders of wind power with this amazing kit!
Build 14 assorted solar robots, some of which can travel over water!
A perpetual motion model of the galaxy, makes a good desk toy.