The FUNctional way to tell time! The GelGems Clock comes packaged with a template that helps you position the numbers around the clock mechanism! The clock requires 2 AA batteries (not included). Perfect for offices, retail store windows and even the classroom! They stick to windows, mirrors, computer moniters, refrigerators and almost any smooth surface! They peel off and restick in a flash without leaving any marks! Dimensions: bag is 21" x 2" x 18"