The product is a complete set of 3 pre-rookie cards featuring baseball player Mike Trout during his time with the Rapid City Kernels in 2010. These sports trading cards were manufactured by Grandstand and are part of the Minor League Baseball (MiLB) league. The cards capture an important moment in Trout's career as he was just beginning his rise to stardom in the world of baseball. This set would be a valuable collector's item for fans of both the player and the sport.