This vintage 1999 combo set includes both Math Blaster and Reading Blaster 4th Grade, both on CD format and compatible with Microsoft Windows 98, Microsoft Windows 95, and Apple Mac OS 7. The set is brand new and factory sealed, featuring educational games developed by Knowledge Adventure for children interested in mathematics and reading. It falls under the categories of Computers/Tablets & Networking, Software, and Hobbies & Leisure. Get your hands on this rare piece of educational software today!