When Crusher mucks up the truck wash by using too much soap, it's up to Blaze and AJ to fix the messy problem Boys and girls ages 4 to 6 will love this fun-filled Step 2 Deluxe Step into Reading leveled reader that features their favorite friends from Nickelodeon's Blaze and the Monster Machines. Plus it features a shiny cover and over 30 shiny stickers 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.