Feature 1Can teach children to understand the animal incubation process, slow incubation process designed according to the actual incubation process. 2Suitable for training children's patience, observation and so on, very meaningful novel toys. 3Put an egg in a glass tank of water, it will slowly burst of the shell, incubating a dinosaur, and then slowly grow up. 4EVA Material is nontoxic and harmless, and the paint on the surface will have slight smell of paint. It will be fine if it is opened and ventilated. 5Novel and interesting simulation growing dinosaur toy, will bring you endless fun, suitable for children above 3 years old to play.Item Type: Growing Dinosaur Toy Material: EVA Egg Size:6*3.5cm/2.4*1.4in (Height*Width) (1-2cm)How to Play: You can incubate small dinosaurs toy with water for a day or two, exercise children's patience and satisfy their curiosityDinosaur species are random and have no correlation with eggshell colorInstructions:1. Take one or more eggs and place them in water until completely submerged.( Note:: the water temperature should be lower than 30, and the sun should not be exposed to it. The water temperature is too high, otherwise the dinosaur will be sunburnt.)2. After 12-24 hours, the egg shell begins to crack, and the whole egg should be covered with water. (The incubation time is related to the weather and water temperature, and the simple principle is similar to that of chicken incubation.)3. Dinosaurs kept growing after they came out of their shells. Be patient. In the process of growing, dinosaurs may be a little deformed.It might get smaller again out of water.( Note:: full growth takes about a week, and bigger dinosaurs grow more slowly.) Package List:24*Growing Dinosaur Toy Note:The surface of the egg shell is painted, so there may be a slight paint smell. Open all the packaging and let the eggs ventilate for one or two hours, then there will be no smell. The paint is environmentally friendly, please rest assured for children playing.