Busy Builders Construction Site Author:Katherine Sully Dig in and get ready to work in Busy Builders: Construction Site. This three-dimensional interactive kit will bring young children to a busy building site, where they will meet the construction crew at work on a new school. The fact book introduces kids to the people and machines at a construction site, using colorful illustrations and simple te... more »xt. Plus, the box folds out to form a school under construction, complete with model pieces for the building, vehicles, and construction workers.