Enable your loved ones to become real chemists. A toy that awakens childrens creativity and dexterity. Put hot water in the measuring cup, wait 10-15 minutes, when the temperature of the water drops to approx. 40°, put the crystal powder on the back of the dinosaur and put the dinosaur in the center of the measuring cup, let it stand for 8 hours without moving the position (do not add water).From 5-14 days you get your crystal a flower. (Note: The crystal seed must wait 10-15 minutes, but not more than 30 minutes to put, otherwise the water is too hot or too cold, which will affect the growth effect.) Dimensions on the package: 9x9x9 cm. Dimensions of the product: 8x8 cm.