This "v" trellis would be great for cucumbers-squash-green beans.Outdoor Play Spaces - secret spaces--- take the swings down and put lattice up on both sides of the swingset. The side of the A frame could be the entrance.
free tires from garages more then willing to give them away. A few cans of spray paint from Walmart (paint after assembled to save on paint) and Cypress mulch (packs really nicely) from Home Depot. Adding in a Little Tikes sliding board.