It's easy and fun for children to learn the alphabet, letter sounds, and over 500 three-letter words! The Phonics Lab features seven interactive electronic reading games; raised, tactile letter keys that light up during game play (great for those with low vision); 20 colorful, double-sided word cards; 28-page lesson book with tests and sight word cards, plus simple storybooks that children can make and read themselves. The GeoSafari Phonics Lab is the perfect phonics teacher. It uses 4 AA batteries (not included) and has a 1/4" headphone jack for those that want to use headphones for silent play. Optional accessories: AC adapter and Headphones. Grades Pre-K to 2.