Get out your pencil and eraser and be ready for a wacky workout for your brain. This enjoyably weird workbook is super-packed with number challenges, riddles to solve, limericks to finish, doodles to draw, word problems, stump 'em situations, backward crossword puzzles, Sudoku and other number puzzles, crazy word searches, brain teasers, geometric doodles, and memory games. Positively guaranteed to de-clog an underused noggin.