As pictured mug is unused but has been around a while so I filled it with hot water to make sure it is working and it is
DR/Doctor Who/DALEKS - Hide Behind the Sofa - Retro TV Heat Changing Mug
Back To The Future Retro TV Heat Changing 3D Mug Official Merchandise
Back To The Future Retro TV Heat Changing 3D Mug Official Merchandise BNIB New
new Gremlins - Three Rules - Official Ceramic Retro TV Heat Changing Coffee Mug
