For this pattern you will need (50g Balls)

Round Neck Sweater:
24-26in Chest - 6 Balls
28-30in Chest - 8 Balls
32-34in Chest - 10 Balls
36-38in Chest - 12 Balls
40-42in Chest - 13 Balls
44-46in Chest - 15 Balls

V Neck Sweater:
24-26in Chest - 6 Balls
28-30in Chest - 7 Balls
32-34in Chest - 9 Balls
36-38in Chest - 11 Balls
40-42in Chest - 12 Balls
44-46in Chest - 14 Balls

Cardigan:
24-26in Chest - 6 Balls
28-30in Chest - 8 Balls
32-34in Chest - 10 Balls
36-38in Chest - 12 Balls
40-42in Chest - 13 Balls
44-46in Chest - 15 Balls

- one pair each of knitting needles sizes 3.25mm, 3.75mm and 4mm,
- 5 buttons for cardigan.