Walmart offers the Disney Junior Doc McStuffins Get Better Talking Mobile, model no. 92266, for $30. Opt for in-store pickup to avoid the $5.97 shipping fee. That's the lowest price we could find by $20. It features a motion-activated siren, working ladder, light and sound EKG, otoscope, thermometer, bandage sticker dispenser, working CB, and it requires two AA batteries (included.)