When a school bus gets stuck in the mud, Red Truck the tow truck saves the day by pulling it out.

"When a family on a sailing outing gets stuck in a surprise storm, there is only one boat tough enough to handle the rocking waves and howling winds: Blue Boat!"--Amazon.com.

"It’s clean-up day in Tumberton and there’s lots of hard work to be done. Orange excavator will need to gobble up all the trash in sight, help fix the broken water line, and dig a hole to plant a tree, all before the day is done!" --publisher's website.