More to explore:
Outdoor Obstacle Course
Pool Noodle Backyard Obstacle Course- the kids loved this!
Pool Noodle Backyard Obstacle Course
Water Obstacle Course!
Outdoor obstacle course. Must do!
A backyard obstacle course for kids to get moving!
DIY Tire Obstacle Course
DIY obstacle course, and looks like a good toddler/preschooler site
How to make a spider web obstacle course
"how to throw an obstacle course party".
Challenge a variety of motor skills all at once than a good old fashioned obstacle course that is done outside!!