Make your next party or event a hit with this classic handshake buzzer prank, each pack includes 3 hand buzzers. Easily wind up these prank buzzers to give your party guests a surprisingly shocking greeting. Conveniently keep a shocking buzzer in your pocket to have handy when you meet someone you want to prank. These hand shocker pranks are awesome to hand out as gag gifts at parties, it makes hand shaking lots of fun. Each toy buzzer measures about 1.5 inches and is made of metal, wind it up then shake someone's hand to initiate the buzzing.