Age 747 is a significant year in the Dragon Ball timeline as it is the main setting to a portion of .
Tori-Bot holds a racing competition in Penguin Village known as the Penguin Grand Prix. Dr. Mashirito uses this as a chance to beat his rival Senbei Norimaki and get revenge against Arale with his Caramel Man 002. Tori-Bot wins the race by a technicality of his own rules when Arale was the real winner.   After studying Arale and Gatchan's weaknesses, Dr. Mashirito builds Caramel Man 003 and a Robot Poop to defeat them with the help of an alliance with King Nikochan and his servant. While almost successful, they end up failing.  
, February 25, 1996 Daizenshuu 7
chapter 94, " Dr. Slump Penguin Gran Prix, Part 1"
chapter 97, " Dr. Slump Penguin Gran Prix, Part 4"
chapter 101, " Dr. Slump Penguin Village Wars, Part 1"
chapter 103, " Dr. Slump Penguin Village Wars, Part 3"