They don't do alot they just eat and grow!
I live in south east england, noone really wants them so most places don't sell them but if you look on a snail forum (yes they do exist!) and ask for a breeder near you you could get some if you want them x

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Mummy of: 4 Guinea girls, 3 Ratty boys, 1 Jack Russel, 1 Pony, 1 Tortoise, a handful of African snails, 2 Girl bunnies and their boyfriend