One 6.25 x 6 inch Lil Monster Birthday Street Small Centerpiece. Add some fun style to your tables with our Lil Monster Birthday Street Small Centerpiece. This centerpiece was designed by Moxzie, Inc. to coordinate with our Elmo and Sesame Street 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.