This cast-iron clamp holder is perfect for holding support rods. The holder is made of cast iron with an enamel finish and nickel-plated thumbscrew. The clamp is adjustable to fit rods up to 5/8" in. in diameter. Excellent for use in any science classroom!
Build a model green house and 9 other green energy-related devices with this great kit!
This adapter-powered butterfly uses Flexinor wires to create a realistic visual effect!
Learn all about Newton’s Laws and Energy conservation.
This high precision gyroscope will amaze you with rotational speed and ease of precision.
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!