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4M deluxe crystal growing combo steam science kit. Create your own stunning crystal collection! Follow simple steps to grow over 10 crystals including a glow-in-the-dark crystal and 2 geode pairs. 4M steam powered kids science kits introduce them to science, technology, engineering, art and math.
Manufacturer: 4M
Model: 3835
Storkz Item #: S20906158
Product Dimensions: 14.9 X 11.2 X 3.2 inches