HighlightsInstant Crystal® Growing KitCreate a Brilliant Underwater GardenRocks Grow to Different Heights up to 4 InchesSTEM - Science Technology Engineering and MathSmithsonian Magic Rocks includes: 0.44 oz. (12.4 g) Metallic Salts, 2 x 4.5 fl oz. (133 ml) Sodium Silicate, 1 space background print, 1 sticker sheet, 1 tank and detailed instructions. Adult supervision required. Conforms to ASTM D-4236Ages 10+ Manufactured by NSI International, Inc. New York, NY 10010 © and TM 2017 NSI International, Inc., and NSI Products (HK) Limited.© 2017 Smithsonian Institution® The Smithsonian name and logo are registered trademarks of the Smithsonian Institution.Contains: Does not contain any of the 8 major allergensSuggested Age: 10 Years and UpMaterial: Paper, plasticIncludes: Rocks, stickers, instruction guideFeatures: Reusable, sandGrade Level: 4th GradeNumber of Players: 1 PlayerEducational Focus: Math, Science, engineering, technologyPower Source: Non-poweredTCIN: 51308939UPC: 042409518816Item Number (DPCI): 086-00-2411If the item details above aren’t accurate or complete, we want to know about it. Report incorrect product info.
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