Experience the interactivity that you've always dreamed of with this fun Star Trek Interactive Plush Tribble! Featuring extra soft faux fur, this authentic plush replica measures 8"L x 8"W x 5"H. With 3 modes, fans can choose from just happy sounds, just angry sounds, or a mix of sounds! Play with or without the free app. Change modes with either the free Section K-7 app or by pressing the mode button on the electronics box that is carefully concealed in a Velcro pouch underneath the Tribble. Takes 3AA batteries (not included). Officially licensed.