MindWare Dig It Up: Dinosaur Eggs is a fun and educational science and exploration set that is perfect for group activities. This set includes one dozen individually-wrapped clay eggs, each containing a different dinosaur. To excavate the dinosaur inside, simply soak the 3" egg in water and use the chiseling tool provided to chisel away the shell. The set also includes instructions for easy use. Recommended for ages 4 and up, this Dig It Up: Dinosaur Eggs set is a great way to engage children in hands-on learning and discovery.