Twirl autogyro. I'm afraid I don't know much about autogyros or how they work but I found this article here, written about this model:
https://www.modelflying.co.uk/twirl-autogyro/
All electronics included, ready to bind to your Spektrum Tx.
Opening price $15
Min bid increment $2
Sale ends Tuesday 28th Nov 20:00:00hrs
I'll open on this one for $15