$20 of LEDS stuck on a flex PCB molded to a $10 plastic mask, with a $3 power supply sold for $450. I have been telling myself for years I need to start buildi

$20 of LEDS stuck on a flex PCB molded to a $10 plastic mask, with a $3 power supply sold for $450. I have been telling myself for years I need to start building an selling these things.