Sand away any rough areas with sandpaper and fill in any holes with aggregate free cement.
Making stepping stones out of cement.
Mosaic stepping stones if you are making stepping stones using a mosaic pattern of tiles glass or porcelain pieces consider using premixed cement or concrete with a high sand content instead of typical premixed concrete.
Some concrete has large chunks of gravel to give it extra strength when creating large slabs frames or sidewalks.
It will make filling the mold easier and help minimize air bubbles.
Wipe the top of the stepping stone clean with a wet sponge or an old toothbrush.
This will remove any cement that got stuck to glass or porcelain tiles or gems.
This friction will make the concrete fluid again.
Unless your pavers are meant to be quite large it s best to choose a finer concrete mix that doesn t contain large gravel pieces.
Take your time to fill the bottom of the mold completely because that will be the top surface of the finished stepping stone.
But it is not the best choice if you plan to make imprints or embed glass or decorative pebbles.
The first few handfuls of concrete in the mold are the most important.
You can purchase stepping stone kits at most craft stores but if you re making more than one or two stepping stones it s more economical to skip the kits and mix your own concrete.
Let the stepping stone dry before moving on.
It is an inexpensive material to use for stepping stones.