Great quality metal, rust resistant test tube clamp. Makes handling harsh chemicals in test tubes easy and safe! Essential for safety-minded teachers and chemistry experiments!
Provides the power to execute all the basic electrostatic demonstrations on an energetic and dramatic scale with up to 350,000 volts!
The cards show the name of the element, the atomic number, group, natural state and common usages!
NEW 2016 DESIGN! This hip red tee features Pi to 1000 decimal places on an ultra soft 100% cotton shirt.
Build a model car that runs on hydrogen gas using a unique reversible fuel cell!
Create beautiful art with this amazing sun paper!
Have fun building your very own FM radio!