Elmo and Rosita want to race their ping-pong balls, but the only ramp on Sesame Street is being used. This is a problem! They wonder if they can make another ramp. What if they use cardboard? Let’s try! It works. With Julia’s help, Elmo and Rosita didn’t give up, and they built two long ramps. They all get a chance to race their ping-pong balls – Julia, too!