for fuel tubeing i just make my line from my gallon jug 3 ft long and cut from that when i need to. then when i buy more line i replace the one on the jug. i also bring a spare tx battery, spare glow driver battery, servo arms/gears, nylon bolts, AA batterys, swiss army knife, magnet (for finding lost screws/bolts) and a little plastic container so i dont have the use the magnet when i take stuff appart