One 6.25 x 6 inch Cow Birthday Boy Small Centerpiece with assembly instructions. Add some style to your tables with our Cow Birthday Boy Small Centerpiece. This centerpiece was designed by Moxzie, Inc. to coordinate with our Cow Birthday Boy Party Supplies. The triangular piece is printed on all three sides, and set-up is quick and easy. Use your centerpiece alone, or pair it with our tall centerpieces for a perfect matching set.