Wowza, this was linked on File 770 via MadGeniusClub via Romance Writers of America. Science Fiction adventure stories for kids are addressed in the comments. Seems like there's lots of you that like that sort of thing. Someday we'll connect.
(By the way, you'll love how the boat scene turned out, although figuring out the blocking was a lot of work.)
And Data Guy is my new hero. Anyway, I had to collect the link, just so I can show it to the next person who doubts that I will someday be a great and prolific writer of self-pubbed sci fi for kids without any dang publisher holding my hand.