Ollieroo&Acirc; 15" DIY Design Self Adhesive Digit Wall Clock Diameter Interior Room Decor Art Clock Kit Think it's time for a change? Why not try this attractive clock with simple assembly and instructions Great way to decorate and keep on top of time, A fun and customizable way to liven up your office or home Designs are hip and playful, perfect for everyone; Repeated use is not recommended Movements diameter about 10cm, the whole size can be decided as you like, 30-50 cm would be all right Draft standards of combined size:15''/38 cm ; Numbers are about 2.5" tall; Please note: to protect the Movement of this clock, please use 1 AA Carbon-zinc Battery; Alkaline Battery and Rechargeable battery are not recommended