Here is a kinetic ball clock that puts on a show as it tells time with rolling balls. It has a body that is reactive to blacklight. It is easy to put together and runs on batter/AC adapter.
More gadgets like this: here
UV Blacklight Reactive Time Machine Kinetic Ball Clock 🕒 Gadgetify
The clock has an arm that automatically picks up tiny steel balls and moves them onto the right track. This Time Machine Kinetic Ball Clock glows brightly in the dark when exposed to a UV light.
[HT]
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