The Foco BRXLZ Pittsburgh Steelers NFL Building Block Kit is a 704-piece set officially licensed by the National Football League (NFL). This unique product allows fans to build a 3D representation of the iconic Pittsburgh Steelers football team, making it a perfect gift for fans of all ages. With vibrant multi-color designs and a one-size-fits-all approach, this kit provides hours of entertainment for any unisex adult football enthusiast.