USA Ninja Challenge Share: Fitness Center USA Ninja Challenge Visit Website Request Info 202 Industrial Blvd., Ste. 903 Sugar Land, TX 77478 (281) 667-6129 LinkedIn Facebook Instagram About Map About USA Ninja Challenge is a ninja gym for kids from 4-17 years old. We teach all ninja skills in a curriculum with 6 levels while instilling confidence and skill mastery all while having fun! What's Nearby? Distance: 5 10 15 20 25 50 mi.