Fisher-Price Dance and Groove Rokit & Rollin Rovee Interactive Bundle.

Both are used but in good condition and have been tested. Dance and Groove takes 4 AA batteries and Rollin Rovee takes 5. These will keep your infant/toddler bust for the whole day. It plays games and music and plays peek-a-boo and lots more. It does has different levels that get more advanced as your child grows.