The Davidson Math Blaster Jr Teaches Preschool Through 1st Grade Math CD is an educational tool designed for children in preschool and early elementary school. This CD includes interactive math lessons and activities to help young students learn essential math concepts. With a minimum RAM requirement of 64 MB and compatibility with Windows and Mac operating systems, this CD is accessible and effective for a wide range of devices. The manufacturer, Davidson, offers a 1-month warranty to ensure customer satisfaction. Made in the United States, this math CD is a valuable resource for early learning and academic success.