Blow the competition out of the water with this LED light up dolphin flashing pin! A classic favorite among children, this light up pin is a great marketing tool for zoos, aquariums, pet stores, scuba diving schools, travel agents, beach front hotels, cruise lines and more! It includes two replaceable CR927 batteries. This pin goes great with any sea creature themed event and can be matched with other LED tropical themed or assorted sea life flashing pins. Dive into your new promotion with flair! LED Light Up Dolphin Flashing Pins come ready to use with 2 replaceable CR927 Batteries.