Whoo Whoo Can you hear the whistle blow? All aboard! It's time to go! Children are fascinated by things that go-cars, trucks, planes, boats, and trains. In Baby Einstein's Let's Go, your baby will delight in learning about all the things that go. This exhilarating padded board is filled with eye-catching real life photos and delightful text that you and your child will want to read again and again.