How to make a waterproof clock?
I really hope someone can help me. I really need a clock I can have outside. I teach classes outside and I need to know what time it is. Waterproof clock prices are exorbitant... I bet they're easy to make. Nothing comes up when I google waterproof clock works. I have this huge metal disk I found by the side of the road and it would be cool to make that into a gigantic outdoor clock. But how to make sure it's not destroyed the first time it rains...?
Can anyone help? THANK YOU!