Or you can start a new city on the iphone and use that city to supply your city on the ipad with expansion items and storage items. Thats what I do and I must say I am moving along quite nicely with my first city. I make shovels, hammers, tape measures, nails, planks and chairs in the iphone city and on the city on my ipad I concentrate on the more time consuming items. The only thing is you have to make up a second facebook account so that you can trade between the two cities
