The LR44 batteries are replaceable and can be found at your local store. Thank You and PARTY HARD. IDEAS OF USE: Parties Weddings Clubs Concerts Sporting Events 4th Of July Halloween New Years White Party Night Events. Manufacturered by YMCtoys. PACKAGING: Removable Clear Packing Protective Wrap Prints "I LOVE THIS GAME" FEATURES: 3 Mode Multi-function Light Settings. Please let us know if there are any that don't light up. We will credit accordingly there are always those that batteries don't last their full life span.