You're probably wondering how we got the actual Bigfoot to make sounds for our Emergency Bigfoot noisemaker. Let?s just say we bribed him with pizza and an IPA. This 3" (8.9 cm) electronic Emergency Bigfoot noisemaker includes four sounds?howl, snort, roar and groan. You know, all the noises Bigfoot is known for. Plastic. Three LR44 batteries included. Illustrated card sleeve.