Or, if you just need sequential lighting and not much in the way of programming aside from speed, then do a search for LED sequencer or LED sequential driver and you'll find all kinds of circuits for doing that. You can find kits too for this as well. Also, if you don't want to assemble anything you can find premade LED sequencers sold as motorcycle turn light signals.
There is this too! So cool! You'd have to hack it and scale it down quite a bit though.
It always was. It always was because somethingness cannot spawn from nothingness. And in the was of the past there is the forever of the now. Only now. Only now and nothing new, for anything new would add to the infinite, yet there can only be one infinite. Only one. The universe is only becoming something new in the delusion of our minds. This delusion that makes life worth living in our perceived universe becoming.