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The National Geographic Glow-in-the-Dark Crystal Lab is a fascinating and fun science experiment. Kids will see a crystal begin to grow in just a few days and then watch in amazement as the seed rock inside glows in the dark! The included learning guide has interesting crystal facts too! It's the perfect project for kids and serves as a great introduction to geology and chemistry!
Retailer: Hamleys
Category: Toys By Brand > National Geographic
