You will need

32in Chest - 10 Balls
34in Chest - 11 Balls
36in Chest - 11 Balls
38in Chest - 12 Balls
40in Chest - 13 Balls
42in Chest - 13 Balls

3.25mm and 4mm Needles
8mm Needles for OUter Petal
Stitch Holders