Outdoor chalk board: Birch plywood, primed on both sides then coat one side with chalkboard paint un-sanded grout + 1 quart any color paint}. Hang on fence with galvanized wood screws. AWESOME outdoor fun for the kids!
What to do with old doors and pallet wood? A wood shed of coarse. The Hubby and our oldest son helped me with the frame. Then I built the rafters, took apart pallets to use on the sides and hung doors.