Hot Air Balloons. Paint By Number Kit 12"X15-1/2". Painting by numbers is the perfect introduction for young or inexperienced artists. No need to worry about subject matter or composition, the board has been pre-printed so all you have to do is simply read the instructions and start painting right away. Kit contains: one board, paints, brush, paint organizer, desk easel and easy-to-follow tri-lingual instructions.