In The Lego Movie (2014), Benny's spaceship is labelled "LL929", as a reference to the 1979 LEGO model "Galaxy Explorer", which was labelled "LL928". : r/MovieDetails
Benny the Spaceship guy. The Lego Movie | Lego movie, Lego, Lego batman movie
Meet the Rexcelsior Spaceship from 'The Lego Movie 2' in These Photos! | Space
Benny re-tells The LEGO Movie story with a spaceship focus