There is a theory which states that if ever anyone discovers exactly what the universe is for it will instantly disappear and be replaced by something even more inexplicable. There is another theory which states that this has already happened.
1/20th, if it were 1:1 it would be like 2 feet taller than me lol. In whatever the fiction is I think they're basically drones that are computer controlled. The kit came with a figure to build, I didn't bother but he's almost as tall as the Krote so they're pretty small little mechs.