We have a chewer in the family so I knew this wouldn't last long. Fortunately, our dog was content for a while just playing catch with it and experimenting with what would set the sound sensor off. Eventually, she nabbed it and went into a chewing session and went straight for the battery compartment. However, we did know this isn't a chew toy. The battery lasted the four weeks until he was destroyed. We all had fun going around the house listening to Mr. Bill and his "oh no" cries. If they made a durable version of this I'd buy in a second.