With orders of $25 or more, Amazon offers Prime members the Pentel Oil Pastels 36-Color Set, model no. PHN-36, for $2.74 with free shipping. (Non-members can spend $49 or more to qualify for free shipping.) That's the lowest total price we've seen and the best deal today by $6. These acid-free oil pastels blend easily and are ideal for use on paper, canvas, or board.
Note that this item is part of Amazon's "Add-on program" and can only be purchased with an order of $25 or more.