Was looking forward to supporting Pursuit of Flight, a kinetic sculpture, by JKBrickworks. However, totally forgot and missed it - it's totally sold out, and limited to select countries >=/
Get the lowdown at the ever fascinating Jay's Brick Blog.
And perhaps build your own, say using the 80102 Dragon Dance (Chinese New Year) set as baseline. Some tweaks needed, since DD set is purely vertical motion, whereas PoF adds side-to-side motion for a chasing plane effect.