Fun, Dr. Seuss-themed clockMounting hardware attached to the backEasy to hangRuns on 1 AA battery (not included)Measures 11 inches diam.. Make telling time fun with the Trend Lab 30458 Dr. Seuss Thing 1 and Thing 2 Wall Clock. Featuring the Cat in the Hat's two friends, and troublemakers, the mounting hardware is attached to the back for your convenience and runs and one AA battery (not included).