Solid 5mm water white glass beads used most commonly as an inert boiling stone or to pack distillation tubes. Also, can have various uses in science projects and classroom experiments.
Dig deeper, and discover the fascinating crystal structures of minerals and rocks with this great kit!
Build a model car that runs on hydrogen gas using a unique reversible fuel cell!
This great rock tumbling kit comes with everything you need to polish stones and gems!
This classic desk toy will keep you amused! Large, 7 inch tall version.
Explore the invisible and amazing power of magnets with 33 engaging experiments and games.
With this cool electronic kit you get to assemble your own mini electric guitar!