The sweater is knitted with stranded knitting.
There is used one strand of solid color and one multi colored.
For the sweater at the picture is used
Kauni 8/2 DD and EP.

Supplies:
450 g for the smallest size – 550 for the largest.
The yarn is available in skeins of 150 g, so you need 2 skeins of each color for all sizes.

Circular needle size 3 mm for the ribbing and 3,5 mm for the stranded knitting. (80 cm)
Double pointed needles for the sleeves. (3,5 mm and 3 mm for the ribbing)
A 40 cm circular needle for the upper part of the sleeve will be nice.

The sweater is knitted in the round with steeks for sleeves and neck.