Sounds like a plan PJ. Pacman are real kewl frogs. They are colorful. Fun to watch them eat. Once they get older and established ,you can handle them for a little bit. They are very smart frogs. They can form a feeding habit to wait for a meal at a sorting time. My concern with fish tanks is the cover. I suggest you use a glass top. This way you dont loose the humidity.You spray them once a day according to the humidity in your house. What type of top are you planning to use . The screen top is no good.