Size: 1-2 (3-6) 7-10 years.
Suggested yarn: Drops Merino Extra fine.
Gauge: 22 stitches are 10 cm in stockinette stitch.
Materials:
Car track neck warmer: Main color: ~50g (~60g) ~70g
White (or contrast colour) 50gr all sizes.
Small yarn leftover for embroidery.
Car track hat: Main color: ~50g (~ 50g) ~50g
White (or contrast color) 50gr all sizes.
Small yarn leftover for embroidery.

Needles: Circular needles 3 and 3.5.