Have you ever dreamed of planting a magical tree covered in crystals? National Geographic gives you the chance to do just that! The combination of a scientific experiment and an art project makes this project truly unique. The best part is that you won't have to wait days, months, or years for your tree to grow. The crystallized tree grows in just 6 hours. The set includes two trees, pens, crystal growth medium, and a real crystal, along with a detailed guide that teaches your child all about crystal formation and much more. Suitable for ages 8 and up.