Help Mouse find his lost friend Balloon!One windy day at the fair, Mouse and Balloon play together all day long. But – oops! – Mouse lets go, and Balloon embarks on an exciting journey above the fairground, past the big city, over the sea and up, up, up into the clouds. Luckily, two smart birds are following Balloon's adventure, and have a plan to reunite it with Mouse.An epic journey for children to play along, with plenty to spot along the way.