Create a brilliant under water garden within minutes using this instant crystal growing kit. These multi-coloured magic rocks can grow up to 4" in height to create a beautifully colourful underwater world.
- 1 Bag of Metallic Salts (12.4g)
- 2 Bottles of Sodium Silicate (133ml)
- 1 Space Background Print
- 1 Sticker Sheet
- 1 Tank
- 1 Detailed Instructions
Recommended for ages 10 years and up.