Dig into dino science with the National Geographic Glow-in-the-Dark T. Rex Dissection Lab! Use the included tools to dissect a lifelike T. rex mold and uncover glowing bones inside, then assemble them into a nearly 10-inch-long skeleton that glows in the dark! The full-color Learning Guide is packed with amazing T. rex facts to fuel kids’ curiosity about prehistoric life. Plus, with a refill pack included, the fun doesn’t stop after one dissection. It’s a hands-on activity kids can enjoy again and again!