After reading Harry and the Dinosaurs Go To School, this would be a really fun activity for the kids. They get to design their own dinosaurs which gets them even more involved in the project. This is a part of the cognitive and psychomotor domain.
Cognitive Development, Language Development, Cognitive Development Children are encouraged to get messy and develop their fine motor skills as well as 'converse' with peers and teachers. (Observable Properties of Objects and States of Matter
Drawing with chalk and nature - a simple process art idea
Summer Activity and Science: EYFS DINOSAUR TOPIC: Children can help to "hatch open" the dinosaur egg using salt and tools, revealing small dino toys. Made by simply putting toy inside balloon, fill with water, freeze overnight then cut balloon away.