Magic Christmas Tree is made of high-quality materials, durable & environmentally friendly. It transforms from a cardboard tree to a beautiful crystal Christmas tree through a physical reaction. Add the special magic liquid to the base of the cardboard tree and watch the crystal tree grow. The tree sprouts green foliage on its branches. It only takes 8-24 hours to allow children to experience and learn the experimental course of crystallization reaction. Age: 6+ Box Measures: 6.89" x 6.89" x 1.5" Including: 1 Christmas tree, 1 star, 1 base, 1 glitter, 1 red bead chain, 1 growth potion, 1 instruction Material: Plastic, paper