Smoby FleXtreme is a complete play world that places no limits on children's creativity. With flexible tracks, children can build the wildest racetracks and perform incredible stunts and routes with the powerful FleXtreme racing cars, including sensational inclines, loops, spirals, and crazy drops. The practical FleXtreme track refill set can perfectly complement the existing FleXtreme racetrack. With the colorful, flexible track pieces, any FleXtreme course can be expanded and turned into extra-large play worlds. The set consists of a total of 72 track pieces in four colors (18 pieces per color) and can be assembled into a total track length of 1.72 meters.