Amazon offers the Bic Round Stic Grip Xtra Comfort Pen 36-Pack in Black and Blue for $2.85 with free shipping. That's $1 under our mention from a month ago and the lowest price we've seen. (It's a current low by $2.) The pack includes 12 blue pens and 24 black pens.

Update: This item is now available as an add-on for orders over $25. You can bypass this by checking out with Subscribe & Save. Be sure to cancel your subscription once your order ships to avoid being billed for subsequent shipments.