This item is 2 sets of cycle models. The main purpose is to teach children about the life cycle of the insects. At the same time, they also have the decoration and the collection value, can increase the child's cognition and the knowledge. Features - Material: Plastic. - Package Size: 10.00X10.00X3.00cm/3.93X3.93X1.18inch. - Cognitive model kits can help children learn more about the animal in a natural and relaxing way. - Made of premium plastic, safe and durable, your child can play with confidence. - The products are in workmanship and vivid, which can well help children with animals cognition and is very practical. - Children can improve their cognition and thinking ability in the process of play and learning. - Creative, interesting and educational toy kits will be your good choice for children’s gifts. Package list: 4 x sets of animal growth cycle models