The Reversible Fuel Cell combines the functions of an electrolyzer and a fuel cell into ONE device. When applying an electrical current the device act...
These simple, easy-to-use number cubes present endless possibilities for classroom use. Use them to teach random numbers and probability, to visually ...
This wooden machine has a sturdy wooden construction ideal for classroom use. This apparatus can demonstrate how gears can turn rotational motion into...
Virtually unbreakable, these sturdy knife switches feature brass poles and knives, making the switches well-suited for use in general-purpose classroo...