You will also need:
1 x Pair 3.25mm Knitting Needle
1 x pair of 3.75mm knitting needles
1 x pair of 4.00mm knitting needles
5 buttons and 2 press fasteners for Sweater
Waist length of elastic for Pants
12[14:14:14] buttons and 2 press fasteners for Romper
Tension
22 sts and 30 rows to 10cm (4in) over st-st on 4mm needles.