You will need

Cardigan with Collar
24/26in Chest - 4 Balls
28/30in Chest - 5 Balls
32/34in Chest - 6 Balls
36/38in Chest - 8 Balls
40/42in Chest - 9 Balls
44/46in Chest - 10 Balls

V Neck Cardigan
24/26in Chest - 4 Balls
28/30in Chest - 6 Balls
32/34in Chest - 7 Balls
36/38in Chest - 8 Balls
40/42in Chest - 9 Balls
44/46in Chest - 10 Balls

3.25mm and 4mm Needles
1 Button