1-12 is the twelveth level in Groud Hog Day.
Use the vehicle on the picture above.
Turn on all the Soda Bottles ONCE YOU GET ON THE BOTTOM OF THE HILL.
Use the same exact vehicle.
Turn on all the Soda Bottles when you are IN THE MIDDLE OF THE PLAIN BELOW THE HILL. If you miss the Star Box or The time, turn them on earlier or sooner respectively.