User summary: Set Includes: 29 room pieces (including 6 corners) 2 "swinging" doors 1 booklet of example setups 50 bow tie connectors Later editions of this set contain more pieces, as described by the publisher: Perfect to create a few small rooms or one larger one, this is another great way to get started with MasterMaze. It is also an ideal way to expand your collection. You can never have too many room pieces and doors! This set has been upgraded to included more pieces -- as well as two cool specialty pieces. Set includes 41 room pieces: (4) Swinging Doors (12) 2" x 2" Floor pieces (1) 2" x 2" Floor Pit piece (13) Straight Wall pieces (1) Straight Wall Secret Door piece (10) Corner Wall pieces