Each multilayer puzzle contains 4 different pictures illustrating the transformation of an egg to a rooster, a tadpole to a frog or a caterpillar to a butterfly, stimulating the children to explore the nature. Parts: 20 Item Size: 180 x 180 x 13mm Age: 3+ Years Material: Wood Made from quality responsibly sourced materials, all Viga Toys conform to current EU safety standards. We make toy safety and quality as our top priority All the toys we make are compliant with EN71 & ASTM toy safety standards What's in the box Includes: - 20 Puzzle Pieces