Do yourself, and your son, a favor: 1) Watch this commercial: https://www.youtube.com/watch?v=wXJN4Zqa3hE 2) Read this: http://educate-yourself.org/cn/otthuluhoops16feb09.shtml (many other articles but this is from 2009) 3) The patents are real: https://patents.justia.com/inventor/hendricus-g-loos  [Note the patent holder name - HuLu is phonetically derived from his name] 4) Kill your HuLu.