28 pieces. With this super wooden puzzle, consisting of four layers, children can see how a human being passes through different stages in life and changes the outer appearance. The individual puzzle pieces can be matched from baby through to grandpa. Faces of different ages are shown on the left and can be used for reference. Puzzle made of FSC® 100%-certified wood. This puzzle trains concentration and fine motor skills. Please note that this product previously had the product number 4341.