Bon-Ton offers the Pyrex 12-Piece Storage Set (pictured) for $17.97. Plus, coupon code "BRADFREE" bags free shipping. That's $22 off and the lowest total price we could find. It includes a 1-cup round bowl, 4-cup round bowl, 7-cup round bowl, 3.5-cup rectangular bowl, and two 2-cup round bowls, each with lids.
Also available is the Pyrex 8-Piece Sculpted Bowl Set for $17.97. The above coupon bags free shipping. That's the lowest total price we could find by $13, although we saw it for $8 less during Black Friday week. It includes 1-qt., 1.5-qt., 2.5-qt. and 4.5-qt. bowls, all with lids.