Wooden Jigsaw Puzzle Train Engine Sonora No 7 (YGTBK) 4x6" The Sonora No. 7 Steam Locomotive at Roaring Camp of Felton, Califorina traveling through a protected redwood forest in the heart of the Santa Cruz mountains. They are built on a three layer Hardwood basenot paperboard. Finished size 4x6 inches Difficulty - you've got to be kidding (YGTBK)	12 hours. They can be put together while you are still having funnot taking weeks to finish. Puzzle will fit on a small table, TV, Hospital, or Airline Tray, or even in the car while travelinginstead of taking the entire dining room table. Puzzle can be used over and over again and still look newnot falling apart after a few times. Puzzles are intended to be used and passed down from generation to generationnot thrown away after a few uses.