Crystals

Crystal Growing Kit

While quartz crystals take tens of thousands of years to grow in nature, we can grow crystals of sugar in just days! This popular experiment allows students to learn about the formation of crystals... More.

Smithsonian® Crystal Growing Set

Grow your own amazing large crystals, clusters, and geodes - golden citrine, pink quartz, frosty diamond crystal cluster, rama quartz, amethyst purple crystal geode, ruby red crystal geode, aquamar... More.

Space Age Crystals®

A spectacular collection of 13 sparkling Crystal Clusters up to 8" dia., Crystal Caves™, and Single Crystals in ruby, emerald, quartz, amber, and the exotic rose calcite. Contains crystal ... More.

Space Age Crystals® Deluxe

Grows 15 crystals! This large collection grows Crystal Clusters, Crystal Caves™, Single Crystals, Crystal Jewelry™, Crystal Pyramids™, and Crystal Spheres™ - 15 items in all! Ki... More.

Superabsorbent Crystals™

These incredible pebble-size crystals mysteriously turn into pieces of gel-like material when you add water. In fact, the crystals can absorb 150-300 times their weight in water - and they are reus... More.

Natural Crystal Collection

Consists of 15 natural crystals from the six crystal systems. Both single and twin forms are represented. Sizes average 3/4" to 1-1/2". Key included. More.