With the Meccano 10-in-1 Racing Vehicles construction set, up to ten different vehicle models can be created from 225 parts. In addition to perforated parts, screws, and nuts, the set also includes the appropriate tools in the form of a screwdriver and assembly wrench. Using the instructions, fast-paced racing cars or alternative constructions such as airplanes can be assembled and rebuilt. The construction system teaches basic mechanical principles of vehicle engineering and is designed for a construction difficulty level of 2.