It's all in a day's work for the trucks of the bestselling Goodnight, Goodnight, Construction Site! From the author of the beloved international bestseller comes Excavator's 1 2 3, a great way for preschoolers to learn numbers 1 through 10. Little construction fans will love watching Excavator and Dump Truck dig ONE foundation, lift THREE loads of sand, set FIVE pipes, and more until the project is done.