Nice little kit to build! Documentation/instructions are clear enough to leave just a little puzzle (in a good way). The design is elegant and the leds give a nice effect. Did not find out how long it lasts on battery!
I wrote review for the sr-71 but review is likely applicable to the rest of the planes from this seller. The LEDs imo are better to solder as smd LEDs but maybe that's my error in assembly sequence. The boards contain enough documentation on them to assemble it rather quickly. Shipping was quick. Not a lot communication, so that's a good thing in my book :).