The Ravensburger Monster Truck Puzzle will bring your child hours of fun, while educating them at the same time. It has been created as an educational toy, and has many hand crafted shapes. Ravensburger built and designed each piece, with your childs little hand in mind. Each piece of the the Ravensburger Monster Truck Puzzle is unique and has interlocking parts. It develops your childs fine motor skills, association, task completion, and independent play. Puzzle pieces are extra durable to withstand the demands of your childs play Designed to develop your childs fine motor skills, association, task completion, and independent play.