All the info you need to convert your jon boat to a gorgeous bass boat. download your free preview ebook and see the drawings, schematics, and pictures!. The alumacraft 12′ flat-bottom jon boat features 4 extruded aluminum ribs and pressed-in chines for strength and great tracking.. A boat kit to build a wooden skiff style boat. row, sail or motor. the boat kit is designed for the novice boat kit builder..