Do you hear that sound coming from deep in the jungle? It is a large Silverback gorilla grunting. Let’s go find it! Quick! Take the elevator through the trap door to the top of the tree fort. Use the zipline to see out and over the trees below. There it is! It’s beating its big chest and grunting hello. It’s headed this way! This 7-pc Gorilla Expedition set includes an action figure, Silverback gorilla, a tree fort, an elevator and more! The electronic gorilla includes 2 X AAA batteries and makes realistic grunting sounds. Compatible with other Terra gorilla playsets. Recommended for children 3 years old and up.