Kid's coloring stick (6)
I believe the answer is:
crayon
'kid's coloring stick' is the definition.
(I've seen this in another clue)
This is all the clue.
(Other definitions for crayon that I've seen before include "Child's colouring stick" , "Drawing pen" , "Producer of sketch" , "alternative to charcoal" , "Cyrano (anag)" .)