Teach Babies and Toddlers about Trucks, Tools, Technology and More with this STEM Vocabulary Builder (Things That Go Book for Kids). 24-page padded board book. The perfect vocabulary builder for future builders! Little ones will see all their favorite construction vehicles, tools, trucks and more while learning words with this bright and educational board book. From the #1 bestselling science author for kids comes a simple and colorful introduction to the first 100 construction words every baby should know. From hard hat to insulation, dump truck to bulldozer, trowel to rigging and more, this adorable primer features 100 colorful illustrations to look at and talk about—sure to engage construction enthusiasts of all ages!