With orders of $25 or more, Amazon offers Prime members the Alex Toys Little Hands Farm Finger Crayons, model no. 1480, for $6.20 with free shipping. (Non-members can spend $49 or more to qualify for free shipping.) That's the lowest total price we could find by $6. It includes 24 dog, cat, rooster, pig, sheep, and cow-shaped crayons.
Note that this item is part of Amazon's "add-on program" and can only be purchased with an order of $25 or more.