User Summary: The Street Starter Set is part of the City Builder System. The Street Starter Set is made of "Dwarvenite". The item comes in both painted and unpainted versions. The Street Starter Set comes with these 18 pieces: (4) Sidewalk, 2x2 (2) Street, Curve In, 4x4 (2) Street, Curve Out, 4x4 (9) Street, Straight, 4x4 (1) Street, Straight, Sewer Grate, 4x4