This is Kebab,the Tiger Snail (achatina achatina) ....he's 9 months old and still rather small...him and his sister are very slow growing,though I've been told that's not unusual for this species. Donna his sister is very very small though,so i may move her back to the nursery tank to keep an eye on her growth.
As for Kebab though..you can see from the photo that his big stripes are starting to appear!! cool!!