Oh goodness gracious, these Pilobolus dancers are so ambitious! They're going to make an Octagon. Do you know how many sides an Octagon has? Take a guess. Did you guess eight? 8 is correct. Subscribe to the Sesame Street Channel here: www.youtube.com/subscription_center?add_user=SesameStreet For more fun games and videos for your preschooler in a safe, child-friendly environment, visit us at www.sesamestreet.org Sesame Street is a production of Sesame Workshop, a nonprofit educational organization. The Workshop produces Sesame Street programs, seen in over 150 countries, and other acclaimed shows, including The Electric Company. Beyond television, the Workshop produces content for multiple media platforms on a wide range of issues including literacy and numeracy, emotional wellbeing, health and wellness, and respect and understanding. Learn more at www.sesamestreet.org.