Place sandwich cookies on bottom for wheels; use some of reserved frosting to attach gummy rings for hub caps. Cut blue chewy fruit snack roll to fit, and place on cookie for passenger window, windows on door, and driver's window; cut red and place for stop sign. Attach wafer cookies for driver and students' faces. Use remaining ingredients to decorate as shown in photo. Color very small amounts of reserved frosting for smiles, eyes and hair as desired.