These must be the rarest of the EeZeBilts - I believe they were withdrawn from the range sometime in the mid-1970s, since they don't appear in the 1979 KK handbook. I was amazed to get one - it's the only one I've ever seen for sale. Don't ask how much it cost! It is old - has rather poor die-cut sheets and the box is very faded, so the scans are rather poor. But the lines are ok...
