Assemble your multi-color LED base. Then, make a small electrical circuit and connect your LEDs, all the while learning about anodes and cathodes of LEDs. Grow a collection of 13 sparkling crystal specimens in four colors - grows geodes, clusters, and single crystals in "Emerald", "Aquamarine", "Citrine" & "Ruby". Growing SPACE AGE CRYSTALS is not long or complicated. Just dissolve the pre-mixed crystal powder in warm water, within hours sparkling crystals will start to grow right before your eyes! A fascinating experience for children and adults.Contents: Crystal growing chemicals, geode mold, casting plaster, crystal growing containers, lids, stirring rods, 48 page Space Age Crystal booklet, instructions, multicolor LED base.Age: 12+.
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