OPERATION GAME WITH MODERN UPDATES: you're BZZZT basically a doctor This edition of the easy to play Operation game combines what families love about the classic children's game with fresh features, such as all-in-one storage and two ways to playPORTABLE GAME WITH CARRYING CASE AND STORAGE: the gameboard (slightly larger than previous versions) folds up into a durable handled case, so children can carry it like a doctor's kit For easy storage, a built-in drawer helps keep pieces from getting lost2 WAYS TO PLAY: now with two modes for endless play Enjoy classic gameplay by following the cards instructions in Hospital mode or omit the cards and race to beat the clock in Emergency mode. (Requires 3 x 1.5V AA alkaline batteries. Not Included)FIRST-EVER SOUND EFFECTS & LIGHT-UP NOSE: yow Ah-choo Burp. When children touch the cavity's sides in Emergency mode, Cavity Sam reacts with funny sounds. In Hospital mode, get the buzzer and his nose lights upCAVITY SAM GETS A MAKEOVER: same lovable patient, adorable fresh look Humorously reimagined with hilarious details, Cavity Sam also features updated cavities (like a squiggly shaped one ) for added challenge