Kids laptop offers 20 learning activities that teach 60+ words, spelling, shapes, logic and animals; educational electronic toy has progressive learning levels.The pre-k learning center plays 30 popular rock, country, or jazz style melodies; puzzle and logic games develop critical thinking skills in toddlers.Laptop for kids has an attached mouse that introduces basic mouse skills; customize the kids computer with a name, age, favorite food, avatar and more.Pre-k learning toy has a computer screen, but it is not backlit; screen can be manually adjusted for contrast based on light levels of surroundings.The children's learning system is intended for kids 3 to 6 years of age; 2 aa batteries are included for demo, use new batteries for regular use.