diaper, onesie, baby hat, baby shoes, baby boots,
sippy cup, q-tip, baby powder, safety pin, thermometer, baby toy, something with the babys name, baby butt.
place these items around the room in strange places. when the guest arrive give them a piece of paper and pen. tell the instructions of the game and tell them happy hunting. give the instructions how long they have to find these items and they have to write down where they found the items. the one with the most items found gets a prize.