Just like zwarte-piet. But we did make nitrous oxide illegal.... It was to dangerous.

... fireworks. Legal here for six hours, so turn it into 60. It is total explosive chaos. Half of it illegal. Every years dozens of people sent to burn wards, a few eyes blown out, fingers blasted of and a couple of cop cars, bus stops and we'll the usual assortment of trashcan, mail boxes and gardens....