We had never made something with concrete before, so I'm pretty proud of how our candleholder turned out! We combined the concrete powder and water in paper cups, and filled up a small plastic container with the mixture. We stuck in a tea light candle, and waited twenty-four hours for everything to dry. The next day we cut the plastic off, and used sandpaper to even out the top of the candleholder.
If you try this out don't forget to use gloves and a mask. It's not good to breathe in the dust. Safety first!
*Friday afternoon LP: Milo Greene, Control