4 Progressive Difficulty Puzzles Dinosaurs

4 progressive cardboard puzzles based on a dinosaur theme. Sold in an attractive gift box. Each puzzle has a different color on the back to help the child find the right pieces. The puzzles also have an evolving number of pieces to accompany him in his progression: 6, 9, 12 and 16 pieces. Dimension of the puzzles: 20 x 20 cm. ; Dimensions - 20 x 20 x 0.2 cm (7.9 x 7.9 x 0.1) ; Materials - cardboard ;