More big boys’ toys

I am always gobsmacked by the agricultural vehicles at the Royal Highland Show in Edinburgh. Today I photographed a couple of stunners (you probably won’t think so, but I did say I was into engines). The first is this:

Are there really fields in the UK big enough for these? I suppose there must be, because here is the second monster of the day:

Note the size of the child.
What would The Wurzels have made of this, I wonder? Would they really have handed over the key to this one?