I have old photos of my childhood Christmas' showing some Structo toys that I got. I played with these toys for hours back then. I've been trying to find copies of all of these old toys I had back then, and these two mentioned in the comment title have eluded me thus far. Here's photos of the toys:
In the first photo from 1958 I am on the left holding the green and gray Structo Earth Mover (that's my older Brother on the right holding the Structo Auto Haulaway he got that same year). The second photo that is me again on the left with the Horse Van sitting in front of me. I have found very similar such Trucks on ebay, but they don't have the white truck cab roof, and the cab with that shape. This I believe was from Christmas of 1962 or 1963.
I'm not sure what ever happened to the truck and trailer, but the horses were still in my parent's basement until about 4 or 5 years ago when my Dad converted that area of the basement to his model train set up. Oh well. I'll keep looking.
EDIT: I HAVE DISCOVERED SINCE MAKING THIS POST THAT THE HORSE VAN AND TRAILER IS A NO. 6300 NYLINT - NOT A STRUCTO MODEL AS I ORIGINALLY THOUGHT. I HAVE FOUND ONE OF THE EXACT NYLINT VANS ON EBAY LIKE THE ONE SHOWN IN THE ABOVE PHOTO! THIS MAKES ME WONDER IF THE EARTH MOVING I'M HOLDING IN THE 1958 PHOTO MAY NOT BE STRUCTO EITHER.