The set includes 4 puzzles of different sizes ranging from 300 to 1500 pieces. 4 puzzles in one package = 4 student dormitories at Hogwarts. The puzzles are individually packaged, and the back of the pieces has symbols for easier sorting in case the pieces get mixed up. Included in the package are templates of the assembled images, ideal as a gift. Dimensions: 300-piece puzzle: 48 x 34 cm, 500-piece puzzle: 48 x 34 cm, 1000-piece puzzle: 68 x 48 cm, 1500-piece puzzle: 85 x 58 cm.