One 13 x 6 inch Alien Party Tall Centerpiece. Add some otherworldly style to your tables with our Alien Party Tall Centerpiece. This centerpiece was designed by Moxzie, Inc. to coordinate with our Ben 10 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.