Solar-Catamaran With solar drive this Catamaran glides over the surface of water without problem. Changing the postion of the motor determines the direction of travel. Simply built on two empty lemonade bottles (0,5 bis 1,5 l-Bottles not included. Easy sawing and drilling exercise- plus circuit making (also possible without soldering ) Clear instructions and patterns. Skills needed Marking out,drlling,sawing,assembly ( Possible soldering)Size(LxBxH): ca. 190 x 220 x 130 mm