Here's a fun printable activity for kids at Christmas! Just match up the colours and numbers and get colouring. UK and US versions available.
Christmas Present Colour by Number
Here's a simple colour by numbers candy cane colouring page for Christmas, needing just two colours, red and green, and the numbers 1 and 2!
Here's a gingerbread man colour by numbers printable for Christmas colouring fun with kids. Available in UK and US versions.