Yu-Gi-Oh! Do your kids go crazy over the popular card game Yu-Gi-Oh! ? If so, then imagine the look on their face when you give them this Mattel Chaos Duel Disk accessory for Yu-Gi-Oh! This Yu-Gi-Oh! Chaos Duel Disk features an electronic life point counter, adjustable fabric-fastener, magic card slot/trap card slot and more! When it's time to duel it easily transforms to duel mode for quick action! Oh! Oh! Yu-Gi-Oh!