Here we go! Keep the pedal to the metal with Mario, Luigi and all their friends in this Mario Kart  Step into Reading level reader! Nintendo and Mario Kart fans ages 5-8 will love to meet Mario, Luigi, and all their friends and foes in this Step 3 Step into Reading level reader as they compete and race to win! Step 3 readers feature engaging characters in easy-to-follow plots about popular topics. For children who are ready to read on their own.