Magic Rocks Space Kit

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Smithsonian®

Magic Rocks Space Kit

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Kids can create a bright rock display with this special science kit! Rocks can grow to different heights up to 4 inches. Each kit includes metallic salts, sodium silicate, 1 space background print, 1 sticker sheet, 1 tank and detailed instructions. Adult supervision required. Conforms to ASTM D-4236. Good for ages 10 and up.

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SKU: 104758172