Button quail are very cute and do best as one pair per enclosure. They are very active and need around 5 sq/ft per pair. Same sex pairs or even trios are just fine but they can die of loneliness if kept alone. The chicks are very sweet but tend to be rather wild from day 4 onwards. They are also little escape artists who can jump out of a really deep brooder box from around a week old. The adults too are very good at escaping and they are slippery little things to catch. If you want a quail you can handle and interact with then the Japanese/Coturnix are the best but if you are happy to just watch them doing their thing then the Buttons do come in gorgeous colours and are interesting little pets.
I've used a cardboard box with a wire top to brood them in before. I give them a fluffy cloth to snuggle under and they push up into it as they would their parents. They need a small space initially to prevent them chilling too much before they can make it back to the heat lamp (and they need it toasty). Being so tiny they chill very quickly, even in a warm room. Non slip mats are essential as they are very prone to slipping a tendon (slipped hock). Paper towels don't provide enough grip. I found out the hard way - I had a hen incubate her eggs but abandon them when they started pipping so I had to take over (and I had nothing ready for that eventuality) and one of the chicks did end up with a slipped tendon. I didn't think she'd survive (everything I read said she wouldn't) but she did and she gets around and loves raising babies, though she can't look after too many as them pushing against her when her balance isn't fantastic (having only one good leg) makes it very difficult for her.
I wouldn't keep adults in a glass aquarium because they do poop a lot so they need good ventilation. They are quite dusty birds but no more than a budgie or cockatiel (in fact they'd produce less dander than a cockatiel). I use indoor rabbit cages with extra, finer wire or fabric wrapped around them as even the adults can squeeze out the gap between the bars.
I found her.
