10 wooden puzzles on the theme of the origin and processing of food and raw materials. Each puzzle illustrates in 3 stages the transformation of a material (tree / wood / paper) or the origin of a food (cow / milk / cheese). Each piece has 1, 2 or 3 dots to help children find their way around. The cutouts of the pieces are all different and you cannot assemble pieces from different puzzles. A set of beautiful and instructive puzzles!