These 1/4 inch thick glass plates are ideal for testing the hardness or softness of minerals. By scratching the mineral in question against the plates, students or teachers can determine these properties by observing the quantity of residue left behind. Excellent for use in the classroom, or at home for aspiring geologists.
This caffeine molecule mug makes an excellent gift!
Build 20 different solar powered models with unique building pieces, controlled by an RC handset!
Perform awesome experiments using everyday materials found in any kitchen!
This project book and sample kit introduces you to shape-memory alloy technology!
Provides the power to execute all the basic electrostatic demonstrations on an energetic and dramatic scale with up to 350,000 volts!
This toy combines the wonders of Sea Monkeys and glow-in-the-dark fun, all in one!