Fill empty soda 2-liter bottles 3/4 full of water and stick in your freezer, one to a shelf. If the electricity should go off; it helps save all your food. When the family goes on a trip or picnic, we place them into the cooler. No buying ice and everything stays cold.
making-the-best-use-of-space Stairs to reach the shelves... This looks a bit industrious but depending on the material & finish used, as well as paint selected- could be nursery appropriate (as long as secure at least until baby is a toddler)