I guess my response is what does the little brother want to do? It sounds like you have a full day planned. He may want to spend some of his time doing something besides fishing (I know, hard to believe). My 8 and 11 year old have had enough after 3-4 hours. Since I don't know the child I only mention this as something to consider. Have a great time!
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Mike, Editor
www.washingtonlakes.com "Featuring readers lake and saltwater reports."