The sweater is worked in the rnd, from the neck down.
Size: 0 (3, 6-9, 12-18) mths (2, 4, 6, 8) yrs
Yarn: Drops merino ekstra fine
Yarn amount: 100 (150, 200, 250) (300, 350, 400, 400) g
Gauge: 22sts per 10cm
Needle size: 3mm and 4mm 40cm circular needle (and 60cm from size 4yrs, up), 3mm and 4mm double point needle