The exhibits from the New York Museum of Natural History are being put into storage at the Smithsonian Federal Archives in Washington, D.C. The magical Golden Tablet that brings them to life goes with them, but soon falls into the wrong hands! Can their old night guard, Larry Daley, save them before it's too late? Packed with stickers and activities featuring all the key characters from Night at the Museum 2: Battle of the Smithsonian.