I have 164 and when I checked all the levels, I can't see anything still locked. The only explanaiton I thought of is a bug that doesn't allow me to take Refreshing Fruity Water in 30-something levels, even though it lets me pick it when choosing menu. I've tried choosing another water again and serving as many of them as I could (or at least puting them on tray so Fruity Water would unlock itself again), but no change. :(