$379 build it yourself jungle fort swing set
The Discovery fort is 5'x 5'(deck floor) and rests approximately 5 feet off the ground. It's designed for children under the age of 12 and can support over 250lbs!
Free-Standing A-Frame Brackets - Swing Set Kits and Plans from Plan-It Play
Outdoor Wooden Swing Set Plans | ... Swingset Plans for your backyard at everyday low - Swing Set Paradise
outdoor playsets with monkey bars plans | ... Sets - Wooden Swing Set Kits, Playset Plans & Swing Sets Accessories
DIY Kit for 3 seater swing set.
Pathfinder Swing Sets Kits: Kits & Plans for Outdoor playsets, furniture, etc.
plans to build your own swing set.
Trailblazer Swing Set Kit -3 Swing Position, DIY
This is more suitable for out building skills, plus it includes a rock climbing wall.