8All the world's a racetrack as superstar Lightning McQueen zooms back into action, with his best friend Mater in tow, to take on the globe's fastest and finest in Disney/Pixar Cars 2. This Step 2 film retelling is sure to be a hit with children ages 4 to 6. Step 2 readers use basic vocabulary and short sentences to tell simple stories. For children who recognize familiar words and can sound out new words with help.