Amazon.com: Cali's Books Battery Kit for Interactive Musical Books. Battery Kit with 9 AG10-LR54 Batteries and Small Screwdriver for Sound Books : Health & Household
5Plus 20PCS LR1130 AG10 SR1130 LR54 Battery 1.5V Alkaline Button Cell Batteries for Watch, Hearing Aids, Glucometer, Key Fobs and Small Electronics: Amazon.co.uk: Electronics & Photo