These colorful teaching models are designed specifically for hands-on use with young children. Made of resilient, non-toxic, EVA foam, the removable pieces stimulate problem-solving skills and develop small motor skills. Every model is accompanied by a reproducible activity card containing background information and extension ideas. teachers can cut out the task card and use it in learning center or as a group activity. This teaching model is designed to introduce students to what happens inside a chicken egg. It illustrates three major stages of the chick's development, and encourages students to explore how chicks change as they grow. Grades K-8.