This kit's 15 crystal-growing activities give kids more crystals to grow than any other kit! They'll learn all about the various forms crystals take, and then grow any type of crystal imaginable, including giant gems, glowing geodes, and an entire crystal garden. Ages 9 and up.
WARNING! €” This set contains chemicals that may be harmful if misused. Read cautions on individual containers carefully. Not to be used by children except under adult supervision.
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