Intex Challenger Inflatable Boat - Yellow Three Man Inflatable Boat with Oars and Pump The Intex Challenger 3 inflatable boat set is perfect for floating in a pool, small lake or very mild river. Every Challenger 3 inflatable raft comes standard with a set of 48 inch aluminum oars plus a hand pump for easy inflation. The Challenger 3 inflatable boat is a 3 man raft constructed with 20 gauge vinyl and features three separate air chambers, one in the floor and two in the hull.