What you need
Worsted weight yarn 100 grams
Straight knitting needles, size 15 mm (US 19)
Gauge: 2 stitches long & 2 rows high = 1 sq. inch
Work with 2 strands of yarn, and cast on 12 stitches
Knit every row for 100 rows (72 inch long scarf).
Cast off and weave yarn ends into the finished work.