Ambulance - LEGO set #6680-1 (Building Sets > Town)
Ambulance : Set 6680-1 | BrickLink
Lego Town Sets x 13 (Car, Helicopter, Truck, Ambulance and other sets: 213, 671, 6517, 6585, 6648, 6649, 6677, 6680, 6685, 6698, 8468, 7311 from vintage 1977), Hobbies & Toys, Toys & Games on Carousell