A Smithsonian Exclusive - Fun & Educational -- 8 Bags of Crystal Growing Chemicals -- 6 Display Pedestrals -- This Smithsonian Exclusive allows you to grow such crystals as pink quartz and golden citrine at home. -- Bot . . .

Discover the hidden world of roots with super-expanding crystal clear Crystal Clay Soil Gel. -- Just add water and watch as the small "salt"-like crystals swell to 100 times their size. Children will love this fun natur . . .

-14 will produce one citrine & one aquamarine colored crystal. -15 will produce one frosty diamond crystal and two purple geode-shaped amethysts (dark & light). . . .

Grow Edible Sugar Crystals -- Grow your own sugar stick and learn about crystallization. Watch crystals grow to full size. Kit includes a science guide, dissolving jar and lid, one starter stick and sugar for one experim . . .

Crystal Clay - Single Tube. -- Discover the hidden world of roots with super-expanding crystal clear Crystal Caly Soil Gel. Just add water and watch as the small "salt"-like crystals swell to 100 times their size. -- Ch . . .

Grow a giant citrine crystal cluster - up to 4"! -- Growing Space Age Crystals is easy and it's fun. Simply dissolve pre-mixed chemicals in water, and sparkling crystals will grow right before your eyes! -- The Space . . .

Grow a giant rose quartz crystal cluster - up to 4"! -- Growing Space Age Crystals is easy and it's fun. Simply dissolve pre-mixed chemicals in water, and sparkling crystals will grow right before your eyes! -- The Sp . . .