Grip the mold from both sides and pull lightly to loosen the candle from the edge of the mold, continue doing this until you've worked your way around the entire mold. Then, turn the mold upside down, and see if the candle will come loose. If it doesn't, use a knife to cut around the inside ring. This should break the candle free from the mold.
Still stuck in the mold?
Here are two more things you can try:
1) Stick the mold into the freezer for fifteen minutes.
2) Submerge the mold in hot water.
