2-in-1! Build a revvin' racecar, then build a powerful ATV. Includes 370 K'NEX rods & connectors are included, plus a battery-powered motor. Build a super-fast, motorized racecar! Then take it apart and build a powerful motorized ATV than can take on tough terrain. All K'NEX rods & connectors are proudly made in the USA. Ages 7+. Requires 2 "AA" batteries, not included.