{Craft} Melted Crayon Canvas Feature

These are everywhere. I have seen this projects on so many blog, and I am totally in love ! I can definitely imagine one of these colourful canvas in my craftroom!!!
By the way, if anyone knows of a place/website to get a large box of Crayola crayons on offer in the UK, please, let me know!
For the frame, I will try my local pound shop as they sell relatively inexpensive large art canvas.

I like this one from Whatever because it only has the "happy" colours, no brown or black...