In this episode ninja help Simon and his guys do a 300 m² house slab and the bet with Richie is on . Can Richie screed the whole house slab on his own . Ninja is going to put the rails in and Richie is going to do the rest . Go pro footage of ninja finishing the slab third hit fourth hit and the last hit on the garage hope you guys enjoy this episode and learn something new thanks for your support and I’ll see you on the next one . Don’t forget to hit The thumbs up button and hit that Bell so you don’t miss the next video .