Description Rebreakable Boards Resistance Level This set includes 4 rebreakable boards in different levels. You can start with the yellow and advance to the black. Perfect for all martial arts including Taekwondo, Karate, Jujitsu, MMA, kungfu and ninjitsu. Rebreakable Boards at 4 different grade levels. Yellow board (1st grade level) for kids or beginners. Blue board (2nd grade level) easy to break for those who trained. Red board (3rd grade level) technique required. Black board (4th grade level) for Advanced Trainer. Constructed of high impact molded plastic rubber padding designed for continued use.
