Roll, Chickens, Roll!Mecha Elmo, Mecha Abby, and Mecha Cookie Monster help chickens speed across the finish line! The chickens are ready to race in the Chicken Roll, but the race gets off to a slow start when the chickens don't roll. The Mechas realize that gravity will start the race so they build the perfect ramp and solve the problem! This Step 2 Step Into Reading Comic Reader features word balloons and eye catching graphic panels. Based on an episode of Mecha