Make boredom a thing of the past with , the ultimate wacky activity book for kids 10 and older. With hundreds of number challenges, riddles to solve, limericks to finish, doodles to draw, word problems, memory games, backward crossword puzzles, Sudoku, and more this wacky activity book guarantees that brains are going to get a workout. With , kids won't realize they're actually learning things -they'll be too busy laughing and having a good time!