AMACO Kiln Shelf Cart with shelves. A mobile, efficient means of loading and unloading your kiln, the Brent Kiln Shelf Cart is 47" high, 35" long and 13" wide. Steel rods keep up to 16 shelves (up to 20") stored vertically and separated for less damage. Three shelves give you room for stacking posts, cones, stilts, pots, etc. and are interchangeable with our ware cart shelves.