The official residence and principal workplace of the President of the United States of America, located at 1600 Pennsylvania Avenue in Washington, D.C. Now, thanks to CubicFun, you can build your own model and show it off in your office or home. Their 3D puzzles boast a unique slotting system that will challenge you in the best way while simultaneously providing hours of fun. Anticipate a world of satisfaction once your creation comes to life! Construction time: 100 to 120 minutes. The product features an LED unit which lights up your creation, adding a little touch of magic to your structure.