Creator 3-in-1
#31120-1: Medieval Castle
Released on 2 August 2021 in the US for $99.99. It contains 1,426 pieces which works out to $0.07 per piece.
#31109-1: Pirate Ship
Released on 24 August 2020 in the US for $99.99. It contains 1,264 pieces which works out to $0.079 per piece.
#31052-1: Vacation getaways
Released on 22 May 2016 in the US for $69.99. It contains 792 pieces which works out to $0.088 per piece.
#31039-1: Blue Power Jet
Released in the US on 15 May 2015 for $69.99. It contains 608 pieces which works out to be $0.115 cents per piece.
#31024-1: Roaring Power
Released in the US on 27 May 2014 for $29.99. It contains 374 pieces which works out to be $0.08 per piece.