• Grow incredible crystal covered trees with the National Geographic Crystal Garden! • Includes geode! • Colour and build your tree, pour the solution over it then watch your tree grow! • Fast growing crystals fully bloom in as little as 6 hours! • Explore the wonders of science through this hands-on STEM educational project! Discover the science of crystals as you grow your own beautiful Crystal Garden. The fast growing crystals fully bloom in as little as 6 hours. Includes geode and everything you need to make two trees. Explore the wonders of science through this hands-on STEM educational project. Additional details: Packaging size: 233mm x 158mm x 58mm Recommended age: 8+