Mattel Yu-Gi-Oh! Chaos Duel Disk Accessory for Yu-Gi-Oh! Mattel Yu-Gi-Oh! Chaos Duel Disk General Features: Kid sized! Works with Yu-Gi-Oh! Trading Card Game Electronic Life point counter Adjustable fabric-fastener Card Holder Card "Graveyard" Field Card Slo Attack Position Defend Position Magic Card Slot/Trap Card Slot Includes three (3) "AG13" (LR44)x 1.5V button cell batteries For Ages 8+ Regulatory Approvals: CE