Sizes : 6 months (1, 2, 4) 6, 8, 10, 12 yo

Gauge : 22 sts x 30 rows = 10 cm in stockinette stitch in the round in needles 3.75m/US 5 (or another size depending on your gauge)

Yarn: DK weight yarn – Double Merino, Along Avec Anna

MC: about 255 (295, 380, 460) 515, 620, 700, 790 meters
so 3 (3, 4, 5) 5, 6, 7, 8 balls of Double Merino, Along Avec Anna

CC: about 35 (45, 55, 65) 75, 90, 100, 110 meters
so 1 (1, 1, 1) 1, 1, 1, 2 balls of Double Merino, Along Avec Anna

Sample version:
Double Merino, Along Avec Anna in Colombe & Royal

Notions: stitch marker, scrap yarn, tapestry needle