Comes with 13 removable cubes (building blocks) and a phone. Designed for children 9 months to 3 years. Each side of cube is designed for different development skills. The 13 building blocks can be inserted in the electronic side to learn about letters. That side also has piano keys that teach colors and shapes; and plays 100+ songs. Other sides have other various learning tools. Excellent condition and requires 2 AA batteries to operate.