Translated to a scale of 1:60, they reach speeds of over 900 km/h; without electricity or batteries - this is only available from Darda. Simply pull back the vehicles, release them, and off they go through curves and loops. The set includes two loops and can be assembled in four different configurations. Also included is a red Formula racing car. The track length is approximately 3 meters. After a production change, the engines are back to top quality, durable, and robust.