Within all these bulk of stepping stone molds in ebay which one would be the best to use? Well, choosing so challenging when you think about the shape you want to buy will be under your feet everytime you pass through. And if it starts to irritate you after some time, then its not the best option for you, and unfortunately it might be too late when you think that is. So, my idea is buying a mold with unsophisticated decorations. But even you want to buy an attractive one, then you may type "celtic" , "celtic mold" in your google or ebay searches.
Step 1: Molding
Also we need WD-40 or any rust remover spray. This is critically important. You can buy 2 packs of ready daub mixture (sand+cement). That'll be much easier to use, if you hate mixing dusts like a labour.