This activity allows children to sort animals into five groups of vertebrates: mammals, fish, birds, reptiles, and amphibians. For children who love animals, this becomes a fun and natural Montessori-inspired learning experience. Each card is designed as a front-and-back pair. The group “name cards” have brief descriptions on the back, helping adults explain the characteristics clearly to children. Once the explanation is complete, place the name cards in a row and let the child classify the ani