“Or you can buy an LED clock in a thrift store for $2.”
And if you crack the case of the clock open, throw the contents of it into a pencil case, and take it to school with you, you can get a free trip to the White House and be called things like “budding scientist” if you’re a Mulsim!
When I was a teenager, I built a transmitter out of a bunch of parts I had about. It even worked rather than going up in a puff of smoke, but the President never called and there were no glowing editorials about how I was the smartest person since Einstein, lol.