You will need

Purple Beret
4-6 years - 1 Ball
7-9 years - 1 Ball
10-12 years - 1 Ball

Blue Hat
4-6 years - 1 Ball
7-9 years - 1 Ball
10-12 years - 1 Ball

Green Hat
4-6 years - 1 Ball
7-9 years - 1 Ball
10-12 years - 1 Ball

Blue Helmet
4-6 years - 1 Ball
7-9 years - 1 Ball
10-12 years - 1 Ball

4mm and 5mm Needles
2 Stitch Holder
Cable Needle for Blue Helmet