Overflow can with spout constructed of durable seamless aluminum. Can measure volume of irregularly shaped objects through fluid displacement as well as calculate exerted pressure. Can also be used in conjunction with a spring scale for various experiments.
Get one of the craziest and coolest kaleidoscopes around!
An ancient toy featuring optical illusion and hands-on fun that never grows old!
The Duncan Phoenix Diabolo features a stable, hard rubber shell that retains its shape.
Learn all about the science of light, optics and visual perception with this wonderful kit!
Discover a world of kaleidoscopic effects within this perfectly clear prism of the Light Crystal!
Cool new Pi tee featuring ultra soft and light blue 100% cotton shirt.