Are you looking for a unique way to celebrate 100's Day in kindergarten? Turn your classroom into a spy lab! Zero the Hero has been taken by Devious Agent 99 in an effort to stop the 100th day of school from happening. Your students will become secret agents as they work on missions to gain clues as to Zero the Hero's whereabouts. Lots of ideas, hands-on activities, and printables to make your 100th day of school unforgettable!