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Grow Crystals in 8 colours Blue, pink, red, purple, green, orange, yellow, and teal Chemistry has never been so fun and colourful , Growing is Easy Easytofollow instructions and 4 silicone growing chambers make growing and saving your crystals easy. Night Ligt Display Show off your 5 favourite homegrown crystals on the included lightup display , Start a Rock Cllection Includes 5 real gemstone specimens and a Stem learning guide teaching all about crystal formation. Join the millions of parents who have chosen National Geographic awardwinning science toys.