Smithsonian Crystal Growing Kit - Electronic Crystals
4.8 (752) · € 30.99 · En Stock
This kit gives kids all the tools they need to grow frosty diamond-shaped crystals using potassium sulfate and spiky crystals with ammonium phosphate.
Smithsonian Electronic Crystal Growing Kit
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Fair condition
Vintage Smithsonian Crystal Growing Kit #2896
Smithsonian Crystal Growing Gem Kit
DescriptionKids will have fun learning science the fun way with this Smithsonian Crystal Growing Kit. Grow 3 beautiful crystal formations. Learn about
Smithsonian Crystal Growing Kit
