This right-angle acrylic prism is perfect for measuring critical angles and observing total internal reflection. It has angle measurements of 90 degrees, 45 degrees and 45 degrees, respectively. This is an excellent choice for optics demonstrations in the classroom setting, or as part of an optics science project.
This beautiful candle holder is carved out of natural amethyst!
Build 20 different solar powered models with unique building pieces, controlled by an RC handset!
Ever wonder how to survive in the wilderness? These cards can help!
This toy combines the wonders of Sea Monkeys and glow-in-the-dark fun, all in one!
Build an electromagnet, an electrical catapult, a doorbell chime, a telegraph, and more with this kit!
Every kid needs one of these spheres!