Construction zone ahead With this rough and tumble board book, toddlers will experience the construction of a new building from the ground up. Under Construction lets kids experience construction from the ground up. This little book is packed to the rafters with all of the most recognizable construction equipment. Read along as bulldozers, diggers, and dump trucks all do their part in transforming a dusty pile of rubble into a shiny new toy store, introducing preschoolers to construction signs along the way.