we had one of these when the boys were little:
http://www.step2uk.co...age.asp?productid=483
we live in new build suburbia and it is really flat so it was great for carting them around. There are a couple of radio flyers in the street now and the kids tow each other around in them and they also use them to cart abouit bits of wood and stuff for making "bases" in the bushes etc.
i would shop around though cos there are loads of similar items at a cheaper price - john deere stuff is really pricey.
There are loads of stuff on the step2 website that are really good value - the quality is great too. We have had a few things from them over the years.