Klutz Air Power: Rocket Science Made Simple Craft Kit Build a real working hovercraft, hot rod, helicopter and rocket Comes with mouthpieces, thrust vent, blast cap, straws, wheels, axles, hot-rod, hovercraft, rocket fins, tube, helicopter blade, balloons, stickers Includes a 48 page instructional book with Klutz certified crystal-clear instructions 4 easy to assemble vehicles Recommended for children ages 8+