If you've looked online for the LooVee Air Car, you've found a grainy set of diagrams with no real instructions. I have scanned in and cleaned up the images some, and included instructions that students can actually follow.
Beware that you need to buy quality office supplies for building it. Cheap index cards are simply not strong enough anymore. I use 60 lb or better cardstock in place of index cards.
keywords: physics, engineering, gifted, talented, GTE, GATE, STEM