If your son decides that it is something that he would enjoy and is interested in doing go for it. I never had a traveling league here in Idaho, however there were 2-3 junior tournaments a month here that travel to local as well as distant centers in the state and I must say it was a great learn experience. Met many new people and helped out my game tremediously.
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Arsenal includes:
Rule GP2, Rule Delta 1, Slash, Heat, Desert Heat, Boxing Glove