The sun is burning, the cerebral cortex is waving, and a few logic neurons murmur some secret oaths: everything can be explained, nothing makes sense.
But this task here, invented by Lorenzo Puccetti’s four-year-old daughter, does not make everything any better. What is the greatest structure you can build with these four legostees?
Puccetti’s suggestion you can see here. But, of course, that is not all, of course, HN commentators Jacquesm, Spydm and some more.