Add to the fun and learning of the Touch & Learn Activity Desk™ Deluxe with the cartridge and four double-sided pages included in the Making Math Easy Expansion Pack. Children can explore the colorful illustrations while learning counting, skip counting, simple addition, measurement and spatial sense. Free and guided exploration allows children to learn math the way they want. Additional expansion packs feature nursery rhymes; numbers and shapes; animals, bugs and critters; preschool and kindergarten readiness; community helpers; and reading (each sold separately).