What you need:
3.75mm needles
DK wool - less than 50g
Stuffing
Knitter’s sewing needle

Terminology:
K - Knit
KFB - knit into front and back of stitch
K2tog - knit next two stitches together
SSK - Slip next two stitches onto needle, knit next stitch and pass slipped stitches back over knit stitch.

I sewed a cute little face on my pumpkin after I was done with the seam and then added green wool to hang it with!