Crystal Garden by National Geographic allows you to learn all about crystals and grow your very own crystal tree in your home. National Geographics Crystal Garden Growing Kit gives you the chance to experience the wonders of crystal science. Our full colour learning guide is filled with astounding crystal faces, and the easy to use garden kit will show crystal growth as soon as 20 minutes afer conducting the experiment. You also get a genuine rose quarz crystal, making this a truly comprehensive kit.