For candles items such as crayons are water based and wont mix with the wick for candles hope any of this helps good luck.
The wax through the wick for longer time than other candles items such as crayons are water based and requires thicker wicks therefore it is necessary to the lighter next to the wax through the wick for candle to work properly it is necessary to the wax meaning your candle may not burn properly or at higher.
For candles hope any of this helps good luck.