With orders of $25 or more, Amazon offers Yahtzee Classic for $4.88. Clip the $2 off coupon on the product page to cut it to $2.88. With free shipping for Prime members, that's the lowest total price we could find by $11. (Non-members must spend $35 to receive free shipping.) Five dice, scoring sheets, and endless frustration are all included.
Note: This item is part of Amazon's "Add-on program"; it can only be purchased with an order of $25 or more.