User Summary: Like all sets from the Master Maze range from Dwarven Forge this modular dungeon set is designed for use with 25 mm minatures, has a 1 inch grid integrated into the floor design, and comes fully painted. While many of the older Master Maze sets have been recently re-released without bowtie connector system, this is one of the few that came with a different mix of pieces in the new set. Narrow Passages Set (with bowties version) contents: 8 Short Straight Narrow Passages 4 Narrow, Right Angle Passages 4 Narrow T-Shaped Passages 2 Narrow 4-Way Passage 2 Narrow To Wide Conversion Passages 2 Narrow Swinging Doors 50 Bowtie Connectors Narrow Passages Set (without bowties version) contents: 10 Short Straight Narrow Passages 4 Narrow, Right Angle Passages 4 Narrow T-Shaped Passages 4 Narrow 4-Way Passage 2 Narrow To Wide Conversion Passages 4 Narrow Swinging Doors 2 Narrow Dead Ends