These would make an awesome staircase to an attic. I would love to see some Harry Potter books on there. This would also be cool with movie titles on it as well. I love this staircase--- more folks should do stuff like this.
A lego wall. Add this to my fun wall ideas. So one wall will have chalkboard paint, another dry erase, now a lego wall. Now I just need a felt wall for felt play and a magnetic wall. I saw this neat project somewhere about a ball track on a magnet wall.