You will needA sweatshirt (mine was £6 from Primark)
Soft fabric interfacing
A4 printer and paper
Iron and ironing board
Differently coloured marker pens
Small all-purpose scissors
Sewing machine (make sure it can do a basic zigzag stitch)
About 4 differently coloured threads (I chose bright yellow, lime green, dark purple and lilac)
Felt in 4 different colours (I chose orange, pink, purple and navy)
Gemstone and fabric glue (£2.99 from Hobbycraft)
MediumThis turned out slightly more challenging than I expected, purely from trying to get the sewing neat.
Time8 hours - I think. I didn't time this one too fantastically. My schedule was such that the whole process was a bit stop-start (also, when you're filming and editing video tutorials the process always takes much longer) so it was hard to tell.
Here's a printable copy of the template I drafted up: