Those wanting to enter could also turn to the library's catalogue for ideas and inspiration, Graves said.
"We've got lots of books."
The library has held a craft competition before, but this was the first time they were holding a Christmas-themed one.
There would also be a colouring competition for children and adults and members of the public could vote for their favourite in each branch.
Entries need to be submitted by December 10 with the official entry form, which can be picked up from the library at any time.
Winners would be announced on December 20.
Between December 1 and 23, staff would also be hiding an elf in each branch, with a new spot chosen each day.
Graves said staff would have to be very inventive about where they put him.
Those who managed to spot the elf could enter into a draw to win a prize.