Smithsonian Magic Rocks Kit – Space by Smithsonian

Smithsonian Magic Rocks Kit – Space. Includes: 0.44oz (12.4g) Magic Rocks, 2 x 4.5 fl oz (133ml) Sodium Silicate, 1 Space background print, 1 sticker sheet, 1 aquarium and detailed instructions. Please refer to front panet for additional warnings.

Features

• Magic Rocks Instant Crystal Growing Kit
• Create a Brilliant Underwater Garden
• Rocks grow to Different Heights up to 4Specifications
• Size: 4 in.
• Weight: 2 lbs