Pika Pau T-REX puzzle, as well as all the Pika Pau toys is made out of natural materials only. The kit contains 12 puzzle pieces. While playing with this toy, a child can exercise memory and learn the relationship between part and a whole, as well as learn concepts like front- back, top- bottom. Also, while solving this T REX puzzle a child develops visual perception, fine motor skills, eye-hand coordination, logical reasoning and develops imagination. Pika Pau T REX encourages the child to be patient and persistent in order to reach a goal. Its simple design and visible wood structure brings a child closer to nature in a unique way.