SMITHSONIAN MAGIC ROCKS

Allows early learners to develop their scientific knowledge. You can use the kit to grow crystals quickly and easily, to heights of up to 4 inches. It comes with everything you need to grow your own magic rocks.

Product Features:

• Instant crystal growing kit
• Boxed contents:1 x Tank, 1 x Background print, 1x Sticker sheet, Metallic Salts, Sodium Silicate, detailed instructions
• Create brilliant underwear garden
• Rock grow to different heights up to 101.6mm
• Warning: Skin and eye irritant. Harmful if swallowed.