SMITHSONIAN MAGIC ROCKS
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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.
- 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.