Grow sparkling, colorful crystals overnight from a safe solution of potassium aluminum sulfate. Single out the largest crystal shard, redissolve the
DIY Crystal Growing Kit – Pearl River Mart
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National Geographic™ Crystal Garden Kit
Condition is New. Shipped with USPS First Class.
Discovery Crystal Growing Kit
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Light Up Crystal Growing Kit - THE BEACH PLUM COMPANY
Learn about beautiful crystals as you watch them grow, The 4M Crystal Growing Experiment teaches kids and adults about the beauty and complexity of
Crystal Growing Science Experimental Kit
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4M - Crystal Growing Kit (Large) - Johnco