I just upgraded my 5 gallon aquarium to a 20 gallon. I would like to give the 5 gallon to my grandchildren and give the a betta. My 7 year old granddaughter wants goldfish but I know they will outgrow a 5 gallon and I think the bettas are beautiful. I would put only 1 betta in the tank. First question: do you think that the betta would be a good choice for kids of that age? Second: Should I keep the 5 gallon set up for awhile and get it through the nitrogen cycle first, then bottle up the aquarium water and pack up the tank to take to them? They live 2 hours away from here. I would love to take them out to pick out the betta but I know they won't want to wait through the cycle. Has anyone done something like this before? Thank!