Challenge Mickey, Puzzle 1000 Pieces, Disney Puzzle. Test your concentration and your ingenuity with a unique challenge with the Ravensburger Challenge puzzle line. If you are looking for a challenge, this line is for you! Trying to complete the puzzles will be a real challenge! Ravensburger puzzles develop concentration, memory and creativity, they are a great pastime to relax alone or with friends. Puzzles are an original gift for those looking for creative hobbies and a special decoration for rooms and walls. Discover all the puzzles in the Challenge line: Harry Potter, Star Wars, Marvel, Super Mario and much more!