Series 1: Popular Science Cognition SeriesCovers various means of transportation such as off-road vehicles and buses, as well as human geography, expanding your babys knowledge.Series 2: Classic Fairy Tale SeriesIt brings together many fairy tales such as Sleeping Beauty and Snow White to attract babies to explore actively.Series 3: Animal Cognition SeriesFrom ancient dinosaurs to marine animals, satisfy your baby's desire for discovery.Features:1. There are clues between the puzzle pieces, allowing the baby to learn to think while playing and develop a variety of core abilities(concentration/observation/cognition/aesthetics/confidence/thinking).2. The puzzle pieces have strong toughness and are not easy to bend. They can be disassembled and assembled repeatedly, making them more durable to play with.3. The pieces have high bite, so you dont have to worry about them coming loose, giving your baby a better puzzle experience.4. The creative small schoolbag gift box has its own artistic flavor and will surely hit the baby's heart.