Djeco Observation Puzzle, Knights Djeco Observation Puzzle, Knights is an observation puzzle with lots of details. The child puts the puzzle together and then can find the items around the border within the puzzle image. This 54-piece puzzle is made of exceptionally thick cardboard. The set comes with a full size picture for reference. This puzzle is recommended for kids 4 years and older. Because play is essential to a child's development, Djeco creates toy collections that are always entertaining, educational and imaginative. Designed by Catherine Nicolas Age: 4-6