motorised bicycle

Okay so i made another post but it was pretty vague so I'll just make a fresh thread with pics, so I was scrolling gumtree and came across someone selling a old zbox motorised kit they had never opened and had just kept in storage and they didn't know if it was the z-80 or z-50 So went for a...

In my entire life in Co.Mayo Ive seen all kinds of contraptions but never a motorised bicycle. Am I right in saying that im a rarity round here? .rd.