We challenged a 600 pound sumo to tug of war, canon ball, arm wrestling, stretching, and gymnastics flips. Yama is the largest Japanese person in recorded history. 👕 NEW NINJA MERCH 👚 http://www.ninjakidz.store 🤩 Request a personalized video: https://www.cameo.com/ninja_kidz_tv 🥷 Join the Ninja Club and become a Ninja! https://www.ninja-kidz.com/ Follow Us: 📸 INSTAGRAM → @NinjaKidzTV… Continue reading We challenged a 600 Pound Sumo! Ninjas vs Sumo!