LED Flash pin,shape and printing can be customized.With brooch or magnet backside.Also known as flashing badge Flashing pin/badge1, Multi LED color available;2, Different designs and size are available; 3, Magnets,clips,or strings to attach to the position you want; 4, Suitable for parties,holidays and other occasions; 5, Customized designs are welcome; 6, Powered by 2pcs of button cell( ...