Clock (no batteries needed)
The idea of building a clock from scratch that can run on its own (without batteries) sounded really interesting. We bought this assembly box set from a shop in Taiwan that claimed to do just that – it’s based on a clock that runs on an escapement sketched by Leonardo Da Vinci. I was planning to complete the clock to check off the one thing I am supposed to make in December (had a KPI to make at least once thing every month in 2017). We had originally assumed this would be an