Whether you're training to compete or just want to increase your fitness, you can do it in a fun way with the whole family on this DIY backyard American Ninja Warrior style training course! Details from GirlMeetsCarpenter on Remodelaholic.com
If you can operate power tools and follow instructions, then this the ultimate project to test out. A giant see saw that fits six kids? Yes, please! Room for yours and their friends as well. Keep it a natural finish or stain/paint to add some flare to the backyard.