Austin Bouldering Project
A huge indoor bouldering gym with no ropes or harnesses required, which removes the biggest barrier for first-time kid climbers. Routes are colour-coded by difficulty so a six-year-old and a teenager can both find something at their level on the same wall. Padded floors throughout mean falling is part of the fun rather than a crisis. Day passes with rental shoes let you try it without any commitment, and staff will point new families at the easiest problems. Great way to burn a rainy afternoon of kid energy that would otherwise go into the walls at home.