I suggest the Therapy Tangle, it has been a success to people with stress, Autism and smoking urges. I do not and never will smoke but I do use it for stress and fidgeting, it helps a lot!, here is a link you play with it when you feel a urge and it is a world wide success!
http://www.tangletherapy.com/
__________________
"It hit me like a ton of bricks!"