A candle is normally made of wax with a wick running through the center. When lit, it becomes a light source by burning the solid fuel, typically some form of wax with paraffin wax being the most common.
 
 
Recommended Resources
Provides scores of candle making projects as well as ideas as to how to expand the hobby and a link to an online candle supply store. Also offers tutorials for beginners as well as intermediate and advanced candlemakers.
http://www.candlehelp.com/
A community resource offering soap and candle making advice and information on moving beyond a hobby. Includes an extensive collection of candle making instructions with photographs, original ideas, discussion forums, and classified ads.
http://www.candletech.com/
Disseminates information about how to make candles as well as how to sell them, and enumerates the different kinds of wax which can be used to make candles. There are also tips on selling candles and building a candle business.
http://www.letsmakecandles.com