With this box, you can grow a large blue crystal!, Includes: the crystal powder, the culture cup and an illustrated manual in colors., 8+ years
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Buki France at Studio
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Chemistry Lab 200 experiments - Buki France
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Buki mini lab crystals - a kit for growing a large, colorful crystal easily. Includes the crystal powder, the growing beaker and illustrated colour
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Kacwsoay Science Kit for Kids Age 4-6-8-10, 50+ Lab Experiments STEM Activities Educational Scientist Toys Gifts for Boys Girls, Gemstone Dig, Crystal Growing, Volcano Eruptions, Magic Science : Toys & Games