This is such an ingenious use of that space that nearly everyone has between their fridge and the kitchen wall. This Instructable shows you building the entire unit from scratch, but you could luck out and find a large flat file drawer to use as your basic frame. Then all you’d need to do is add the dividers, the dowel railings, and caster wheels. Either way, unlike the other projects here, this one would be at least a day-long undertaking. But if you have a really small kitchen
Even though I know spices last longer when stored in the dark or in opaque containers, I still would love a system of labeled clear spice jars in an open rack in my kitchen. Perfect spice storage for me!