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. From the box: 'This Mastermaze Accessory Set is meant for GameMasters eyes only! If you are not a GameMaster, or do not intend to give this box to an official GameMaster, do not'buy this box. Pictures shown above are only a small sample of the dozen or so nasty, cruel traps contained in this box. Traps contained herein are extremely hazardous to the health of would be "Adventurers ". Your gaming group quivers at the mere prospect of you buying this box. Dwarven Forge is not responsible for the demise of Characters due to the contents of this Box. Contents: (1) 2” Slamming Wall (1) 2” Swiveling Wall (2) 2” Wall with Pit (1) 6” Long Passage with Moat (1) 6” Swiveling Wall (2) Floor with Pit (1) Log (1) L-Shaped Passage for Swing Traps Left (1) L-Shaped Passage for Swing Traps Right (1) Short Passage with Pit (1) Stone Boulder (1) Swinging Trap Left-Blades (1) Swinging Trap Left-Boulder (1) Swinging Trap Left-Multiple Wooden Spikes (1) Swinging Trap Left-Single Wooden Spike (1) Swinging Trap Right-Blades (1) Swinging Trap Right-Boulder (1) Swinging Trap Right-Multiple Wooden Spikes (1) Swinging Trap Right-Single Wooden Spike (1) Wooden Ramp (30) Bowtie Connectors