Children's writer? (6)
I believe the answer is:
crayon
'writer?' is the definition.
(I've seen this before)
I don't understand how the remainder of the clue works.
Can you help me to learn more?
(Other definitions for crayon that I've seen before include "pencil (13) [FRENCH]" , "Pencil of chalk or wax" , "Source of colour" , "Stick to colour" , "drawer" .)