A while ago I chanced upon a thread on Mumsnet in which a member invited suggestions for jokes to slip inside her children's lunchboxes. Now, I imagine many of you are familiar with this practise, but to me it was a novel concept. Sometimes I might have slipped a reminder note into my children's schoolbags or a Post-It to wish them good luck on a test, though nothing on a regular basis.

I began to wonder whether other parents did this and asked Princess whether her friends found jokes in their packed lunches. "No," she replied, followed inevitably by: "but I'd love it if you'd do that for me!"

Luckily, Google and Pimterest furnished me with a plethora of free printables for our oddly enjoyable new habit. There are notes, jokes and styles for all occasions, from slushy Valentines to math questions; clever food puns, literary quotes, healthy encouragements and even optical illusions!

For the friends and mums who have asked where I found these varied and amusing printables, here is a gallery of my favourite 50 lunchbox note printables.