Kids of all ages are fascinated with dinosaurs! With this Dinosaur Egg Putty, children can explore that mysterious world of dinosaurs. Each plastic egg holds a play dinosaur fossil. The dinosaur fossils come encased in gelatinous, brightly colored yolk. The goo is thick and can be stretched and shaped or rolled up into a ball and bounced. Simply pop open the egg to access the goo and fossil for hours of fun!