Learn about the fascinating multi-faceted world of crystals! Learn how they are formed, what shapes they take, and how you can grow your own crystal garden using the Dolomite samples included in this kit! The set contains 12 crystal specimens, including quartz, amethyst/amethyst cluster, geode, citrine, gypsum, pyrite, star mica, kyanite, and dolomite. Also included is a small magnifying glass for closer inspection, and streak plate to let you test the streak color and hardness of each crystal, and a detailed full-color guide containing information on each crystal, as well as instructions for growing your own crystal garden on the dolomite sample using vinegar and food coloring. A great beginner's guide to crystals, and a good companion for a variety of geological science fair ideas.
The LCD Digital Microscope II is a professional biological microscope at an affordable price. Up to 1600X with digital zoom!
This is a great clean heat demonstration model for the classroom setting!
Build a tumbling robot that gets up right after it has fallen down, without any outside help!
Cool new Pi tee featuring ultra soft and light blue 100% cotton shirt.
Build your very own smart robot!
Defy gravity with this cool balancing eagle!