Dig! Discover Dinosaur Egg Experience the thrill of discovery with the Dig! Discover Dinosaur Egg kit from Kristal Educational. Unearth a 10-inch replica dinosaur egg using the same techniques as real scientists. The 10-inch replica egg contains a skeletal dinosaur embryo, just like those from the Cretaceous Period. Each kit contains an excavation block, brushes, excavation tool, paint, instructions, and ''How to Become a Fossil Collector'' booklet. Additional items may be required. For ages 7 and up - Instruction booklet included