Construct your own animal out of Nuts & Bolts, using your own set of real tools. Wild Republic’s new Nuts & Bolts include some of Wild Republic’s consumer-favorite animal species and dinosaurs, such as a stegosaurus, lion, T-Rex, elephant, and giraffe, and each set has interchangeable parts with each of the other Nuts & Bolts animals. The metal and plastic pieces of the Nuts & Bolts sets are assembled by using the included tools. This is a unique product that is sure to challenge all ages and provide creative fun for all.