A pencil case is 'une trousse', then the plural is 'des trousses'.
A pencil case is called 'une trousse'; "In my pencil case I have a pencil" is "dans ma trousse il y a un crayon."
trousse
in my pencil case, I don't have ... -> dans ma trousse, il n'y a pas ... it translates back to: in my pencil case, there is no ...
une noir trousse
votre trousse à crayons
'ouvrez votre trousse'
To say "what is in your pencil case" in French, you would say "Qu'y a-t-il dans ta trousse ?"
The word for "pencil" in French is "le crayon".
je n'ai pas besoin d'une trousse
If it's a pencil-sharpener, un taille-crayons.
A pencil sharpener is un taille-crayon in French.
to say pencil case in spanish you spell it as un estuche