Kids can recreate the thrill of boat racing with this super-cool LEGO Technic 42105 Catamaran toy. For the first time ever . this LEGO model floats on water so sailing enthusiasts can learn while they play. See how the sails work. Or how the dagger boards maximize stability and how the rudder steers. With the classic 2-hull catamaran design . this model boat is a fantastic recreation of the real thing. Learn how to build and sail an awesome toy boat There’s so much for kids to discover with this LEGO engineering toy. Have fun building the Catamaran . inspired by real race boats . or the Race Power Boat. Then set it in the bathtub to recreate speed sailing adventures because this toy boat really floats.Challenge your engineering skills and have fun building. This 404-piece block building set is great for builders ages 8 and up.