Yes, someone is actually selling a on eBay, complete with restroom. Unfortunately, the seller is based in Germany and will only arrange for local pickup. Auction page. Click here for first picture in gallery.
The 19-square-foot “real Boeing aircraft model Airbus aircraft seats” includes everything but the trolley dollies: first class double seats, two fully-equipped airplane toilets, kitchenette, storage lockers, and onboard in-flight video equipment