As a 6 year old in Cub Scouts he would be a Tiger. Zach would not be allowed to carry that Hobo knife to any Scout Meeting until he earned his Whittling Card while having a Bear rank.
That is three ranks up.
http://www.geocities.com/~PACK215/wh...hip378x255.jpg
That Hobo knife he carried to school wasn't a harmless eating tool.It has a 3.5"' stainless blade.
I really am not sure why his parents would give a 6 year old a knife with a 3.5" blade to start with.
His was very much like this one:
http://www.cabelas.com/p-0032331516914a.shtml