Battery Information: CAUTION: As with all small batteries, the batteries used with this toy should be kept away from small children who still put things in their mouths. If they are swallowed, promptly see a doctor and have the doctor phone the poison control center. Make sure that batteries are inserted correctly and follow the toy and battery manufacturer’s instructions. - iZ uses four (4) AA batteries. - When replacing, replace all four (4) at the same time. - Do not mix old and new batteries.