Description This product is a cognitive model toys, made of material, safe and gentle, and durable for a long time. The can help children understand the growth cycle of a in a, and better satisfy children' curiosity. Features - Color: As Shown./ - Material:./ - Size: About 7. 00X4. 00X1. 00cm/ Growth Cycle Models Cognitive Models Simulation Model Kids Playthings Made of plastic material, safe and durable, your child can play with confidence. The products are exquisite in workmanship and vivid in appearance, which can well help children with biological cognition and is very practical. Cognitive model kits can help children learn more about biology in a natural and relaxing way. 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.