Math Munchers Deluxe Ages 8-12 Windows 95/98/NT/2000/Me/XP &amp; MAC OS 7.1-9.2 (NOT OSX COMPATIBLE) Math Munchers Deluxe reinforces kids math skills by encouraging them to solve problems dealing with whole numbers, decimals, factors, and simple geometry. With multi-level play capabilities for Ages 8-12 (Grades 3-6), kids can review familiar types of equations, practice at a comfortable level or challenge skills in new territory. Over 2 Million Munchers Sold!