Our bestselling baby books, now in a new, interactive Barefoot Belly Time format!Little ones love things that go! A car is fast, and a bike is slow. A boat is fast, and a raft is slow. A rocket is fast, and a hot air balloon is slow. Introduce first words and learn about different modes of transportation while comparing slow-moving vehicles with speedy machines. Unfold the accordion pages for belly-time reading fun, with a mirror at the end!Helps babies develop strong muscles and coordination Builds vocabulary and early math skills