Look like a high roller with our Flashing Blackjack Spade Cards LED Blinkies! Each of these light up blackjack card blinkies features 5 LEDs, 2 red, 1 yellow, and 2 blue, so you can be sure you'll have plenty of high-powered blackjack fun! Use the butterfly connector on the back of your blackjack card pins to attach them to almost anything and wait for the flashing fun to begin! Please note, the butterfly connector may create a small hole in the garment it is attached to. These light up blackjack card blinkies come with CR927 batteries included and installed and the batteries are replaceable. Our Flashing Blackjack Spade Cards LED Blinkies are sold by the dozen and come individually packaged in a clam shell.