Most of these candles are actually figures, as opposed to props. This is to make controlling the flame easier and without mesh distortion caused by typical morphs.
Controls are found in alias dials on the body of each candle for ease of use. Many candles and stands have various shaping morphs as well.
There's also 3Delight material versions for each candle and stand. They will, however, load in with Iray materials into the scene initially!