(...) I just went and checked both staircases I have, and each step has identical grooves. thanks, James (23 years ago, 18-Dec-01, to lugnet.harrypotter)
(...) An easy way to check is to spiral them and see if there are gaps, if there are then you see the steps in question. Doyle (23 years ago, 18-Dec-01, to lugnet.harrypotter)
