Mini Leaves Insects themed 4-in-a-box Progressive Puzzle Set is perfect for children who are starting out with puzzles and those working on improving their puzzle-building skills. Ideal for ages 2 through 5, the set of 4 includes a 4-, 6-, 9- and 12-piece chunky puzzle. Pieces are made of thick material that is easy for toddlers and young children to grasp and manipulate. The level of difficulty and the piece count grows with your child. Children can start out easy and work their way to the more challenging puzzles, revealing whimsically illustrated insects driven by favorite animal friends. Kids will love seeing the Ladybug, Snail, Caterpillar, Anta come together as they improve their hand-eye coordination and problem-solving skills. Each completed puzzle measures 15 x 15", so they don’t take up much space to work on. Once you’re finished, pack them away in a single box for convenient storage. Makes a great gift!