I like playing with bike lighting. Here are some of mine.
beer can headlights, they LED flashlights inside the can, mounted in foam donuts.
Some kind of nose cone turned flower pot, turned bike fairing/headlight, uses LED flashlight epoxy
Auto accessory most likely from a 1950s aftermarket parts catalog, NOW with LED lights powered by a 9v battery.
Oh, and there are the critter lights, a raccoon skin tank light, and mink head tailights, LEDs poweed by 9v, battery.
How about, Stick anywhere push lens lights on a cardboard VW bus bicycle?
And the old 1930s car lights turned bike lights, some powered with LED flashlight guts, some 9v.
Then one of my early bike light conversions, turning 1957 Chevy hood ornaments into taillights, LEDs using 3v 2 D cell batteries.
Well thats what I can show for now.