One 10.5 x 6 inch ABC 1st Birthday Tall Centerpiece. Add some style to your tables with our ABC 1st Birthday Tall Centerpiece. This centerpiece was designed by Moxzie, Inc. to coordinate with our ABC 1st Birthday 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 small centerpieces for a perfect matching set.