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Super Crystals: Instant and Reusable. Grow giant, dinner plate sized, star burst crystals in less than a minute! No waiting over night. No need for a time lapse camera. Seed and then watch the crystals grow before your eyes. The crystals can be reused to create a variety of crystal sculptures and poured solutions that literally freeze in mid-air. Amazing! Crystals can be reheated and reused dozens of times.
Safe materials for children to use.