A new stroller edition from this best-selling series, which has sold over 2 million copies. Perfect for babies and toddlers! Delight the littlest emergency vehicle enthusiasts in this small-format stroller edition from the best-selling felt flap series, which has sold over two million copies. Lift the bright felt flaps to reveal a police car, an ambulance, a helicopter, and a fire truck! A mirror reveal on the final page and a sturdy, detachable hook-and-loop strap perfect for hanging from a stroller make this the ideal addition to any parent's emergency entertainment kit.