Grow your own Crystal and make a magical unicorn wonderland. This 4M Unicorn Crystal Terrarium provides a visually stimulating experience for kids who have a keen interest in crystals, unicorns and science. Kids can watch the crystal grow like magic over 4-7 days. It is a wonderful creative product for kids who love science and unicorns. The kit contains white crystal compound, red colourant, a 5cm crystal base, a sticker, display case, stirring spoon, stirring bowl, miniature unicorn and flowers for decoration. Detailed instructions included. Crystals will grow approximately 5cm in diameter and 4cm high. However the shape and colour may vary, depending on the experiment conditions. 17cm x 17cm x 9cm. Age: 10 yrs+.