This Step 2 Step into Reading leveled reader features the characters from Nickelodeon's Rusty Rivets --plus stickers! This Step 2 deluxe Step into Reading leveled reader based on an exciting episode from Nickelodeon's Rusty Rivets features over 30 stickers and is perfect for boys and girls ages 4 to 6. When Rusty's new neighbor, Frankie Fritz, kidnaps Botasaur, it's up to Rusty and Ruby to get their beloved bot back!.