- NATIONAL GEOGRAPHIC GREEN GLOW-IN-THE-DARK CRYSTAL GROWING LAB
Mix the crystal growing powder into water, add your seed rock (fluorite), and watch your glow-in-the-dark crystal grow before your eyes! This kit contains nearly everything needed for children to succeed – just add boiling water and a glass container! The small magnifying glass allows you to see the crystal formation up close. Also includes a display stand and learning guide. Adult supervision required.
NATIONAL GEOGRAPHIC GREEN GLOW-IN-THE-DARK CRYSTAL GROWING LAB816448029691
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