The number of sides a shape has makes each one different. Count and sing along with Nick Jonas and check out the different kinds of shapes. New season of Sesame Street is now on HBO: https://www.hbokids.com/ Subscribe to the Sesame Street Channel here: http://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 http://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 http://www.sesamestreet.org.