This map contains 20 levels of redstone! Created by DemonForce.
Warning! Some levels are not so simple... Of course. There are blocks that make effects as lapis lazuli block that make us give redstone!
ToMiix also helped me to a test for bugs. He is great with commands blocks!
Duration of the map: Approximately 30min-or 15min for the champions!
This map has a French and English version to choose from.