I love using a bell with my pigs. It only takes a few minutes for a pig to learn a new trick and they seem to enjoy the interaction. Your pig will quickly learn how to tap the bell for a treat reward. Dimensions: 4" x 3". This is a big nice quality bell not one of the cheap small ones.

Large Training Bell - 4" x 3" -Teach Your Pig to Tap The Bell for A Treat Reward