Discover what makes crystals glow in the dark by grwoing your own phosphorescent crystals. Everything you need for experiments with growing crystals of different sizes is included. Learn about why crystals form, what crystal lattice structure is, and what makes these crystals glow. Ages 8 and up.
WARNING: CHOCKING HAZARD - Small Parts. Not for children under 3 yrs.
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.