Science experiment kit for growing crystals. - Product Name: SPACE AGE CRYSTAL GROWING KIT - Target Age: 12 years and older - Contents: Crystal growing materials, instructions, growing container - Educational elements: Science experiment kit Tenyo Crystal Workshop You can observe crystal growth in one week. Continue the experiment and challenge yourself with various crystals!! Target age: Elementary school students (upper grades) and older ＜Contents＞ ・Aquamarine crystal growing granules ・Calcite crystal growing granules ・Gypsum ・Plastic container ・Spatula ・Japanese instruction manual ・English explanation manual I purchased this a long time ago, but it's been sitting in the closet without being used. There is considerable dirt and damage. The box is particularly crushed. Please understand that this is an old item before purchasing. ※Packaging size: 80 Thank you for viewing. Toy genre...Other