Parents and teachers now have a way to teach about the wonders of life in an engaging way, with manipulatives that children can squeeze, touch, and play with. | This fascinating Safari Ltd. set contains five pieces, each showing a different stage in the development of a frog. | The set contains a cluster of eggs, three tadpole stages, and an adult frog. | Excellent learning tool to introduce young children to the often-endangered inhabitants of our planet. | This set allows children the opportunity to closely observe the five stages that frogs undergo their miraculous transformation.