Decide on your price range (this will rise when you see the clocks)then as it’s for your grandchildren do you want them to wind it etc., then make sure you can get it shipped, even from the U.K. this is a must. The next decision is standard or exquisite craftsmanship, is this going to be an heirloom or a just while their young. I know but we eventually went for basically bog standard that our grandson could enjoy and now he’s looking forward to travelling to the Black Forest. Did we do right in the end it’s costing us heaps more as the whole family has decided oh what a great idea so we will all be going, when I don’t know but as I said it’s decided!