Hawaii with grandchuld

I have never gone on  Road Scholar trip. But I am planin to take my 11 yr. old Granddaughter o;n one to Hawaii.  Irs theSurfing Volcano and Rain Forest trip no12426RJ.

We travel between Islands on a large cruse ship.  I wonder if any one has done this trip and if you can give me some feedback on your wxperience.

Thanks so much.