From the author of the bestselling This Little series comes the first in a new line of board books about the science behind everyday things—this one about things that fly!Show little ones how big vehicles work and introduce the inventors behind them through simple rhyming text and vibrant illustrations with this engaging board book. From hot air balloons to airplanes to spacecrafts and beyond, Big Stuff Planes, Rockets, Spacecraft! connects the dots between people and the technology they create and gives age-appropriate explanations of scientific concepts like rocket propulsion and power hydraulics!