This set provides more challenging learning activities to complete children's intellectual development in the areas of memorization, concentration, visual perception, logical thinking, linguistic skills, and mathematic skills. There are a total of 816 challenging questions included in the following 5 workbooks: Cheeky in Halloween / More Playing with Colors and Shapes / Visual Discrimination Games / Concentration Training 2 / Basic Geometry and More. (miniLUK Controller needed. Sold separately)