Is the dehydrator useful for fish?
I believe it is a Nesco 5 tray dehydrator (I'm not at the house to check and won't be for quite some time) that she bought at Kohls on Black Friday (or at least similar too it).
http://www.kohls.com/kohlsStore/kitchendining/kitchenelectrics/dehydrators/PRD~497724/Nesco+Professional+Food+Dehydrator.jsp
COSTCO had an awesome sale on strawberries (my strawberries failed last year)... so I bought a bunch. I blended them and poured them into the fruit tray (the tray with the pink stuff in it at the link is on a fruit tray); no sugar, no nothing. The result is like a papery fruit roll up. It takes several hours to dry fruit, but my 2 year old loved- LOVED Dad's homemade fruit roll ups. They were a bit tart; adding sugar would probably help, but he didn't mind.
Apple chips are good too. Slice up some apples, dip them in 2 parts water, 2 parts honey, and dehydrate.
Looking back, I might have bought one of the bigger ones. But, this is mainly because I #1 like instant gratification and want it all done NOW and #2 Because I don't have a lot of time. But, it works and I'm satisfied with it.