They have a memory pattern that they have to learn in order to "graduate" to the next belt. It is a 10 week program before you graduate to the next belt and there are 5 different belts before you graduate out of the Little Ninja program. With each belt you add more numbers to the memory pattern up to 20. Braden takes this so serious. He practices every day. He has the pattern memorized all the way to 20 already.