Walker Edison 3-Piece Contemporary Glass Computer Desk for $79.00. Select free site-to-store for in-store pickup at Walmart to save on shipping. Otherwise, shipping is $9.97 for a total of $88.97 shipped. Here is a screenshot for reference. The price is available in Black and Silver finishes, features a glass surface, sliding keyboard tray, and measures 51″L x 51″W x 29″H. Most places have it for about $142 or more.