Image Item No. Description  4180c02 (Inv)  Brick, Modified 2 x 4 with Red Wheels FreeStyle and Red Pins (4180 / 4259 / 2344) Catalog: Parts: Wheel  4180c03 (Inv)  Brick, Modified 2 x 4 with White Wheels FreeStyle and White Pins (4180 / 4259 / 2344) Catalog: Parts: Wheel  105645pb01  Wheel 50 x 22 with Axle Hole and 6 Holes with Molded Black Hard Rubber Tire Pattern Catalog: Parts: Wheel