I would like to get DS(12) some colouring pencils for Christmas. I have the Faber Castell Polychromo pencils which he occasionally borrows, which I rather he wouldn't 
So I am looking at buying him a set that, preferably has over 100 colours, but is much cheaper than the Polychromos but which are still reasonable quality. I have seen various sets on Amazon which have reasonable reviews but some seem very cheap so not sure of their quality.
Can anyone recommend any?