Mobile Computer Tower with Storage (Black) for $59.00. Select free site-to-store for in-store pickup at Walmart to save on shipping. Otherwise, shipping is $9.97 for a total of $68.97 shipped. Here is a screenshot for your reference. It has a power-coated steel frame with MDF and PVC laminate finish and has a sliding keyboard shelf, tower storage, lower shelves and casters for mobility.