Promotional sets are a subtheme of Rock Raiders introduced in 1999 and currently consists of 4 sets. All sets were released in 1999. As of today, the average annual growth of sets in Rock Raiders Promotional is approximately 4.3% per year.
LEGO Rock Raiders was a theme that was released in 1999 and was based on space miners trapped on an alien planet. The theme was made up of eight main sets and four promotional sets as well as three minifigures sets. The Rock Raiders theme was discontinued in 2000. The theme had several elements that were reprized in the Power Miners theme ten years later.