The Learning Company - ClueFinders The Incredible Toy Store Adventure Deluxe (2 CD-ROM Set) Navigate through a maze of gigantic toys and build 3rd and 4th grade skills. Collect clues to solve this riveting mystery, master your skills in math, language arts, geography, and problem solving. Unlock the truth behind the mysterious shrinking device. Second CD: Mystery Mansion Arcade Windows XP, Vista, 7, 8 | Macintosh OS 8.6 - 9.x, OS X compatible