iStock_asmall has operated many bulls indoors. We have several different mechanical bulls in inventory that are used exclusively indoors. Our indoor units range from 16' diameter up to 25' diameter, this is the size of the safety inflatable. Lets us help you. It is simple, just choose the size that fits your indoor venue, and we will supply the best personnel to operate the bull. Our operators are highly trained and skilled at operating the bulls in the safest manner possible. The operate also controls the adjustable skill settings, so that everyone, no matter how skilled they are, can take a ride.