Cardigan

Knitting
DK (11 wpi) ?
26 stitches and 32 rows = 4 inches
in pattern using 3.75 mm needles
US 2½ - 3.0 mm
US 5 - 3.75 mm
600 yards (549 m)
To fit chest 40 - 56 cm (16 - 22 in) Age 2 months to 3 yrs.
English

Gauge
24 stitches and 32 rows = 10 cm
in stocking stitch using 3.75 mm needles

Measurements
To fit chest
40 46 51 56 cm (16 18 20 22 in)
Length from back neck
23 26 30 33.5 cm (9 10¼ 11¾ 13¼ in)
Sleeve seam (approx)
13.5 16 18.5 21 cm (5¼ 6¼ 7¼ 8¼ in)

Each source has a different set of recommended yarns. The following is from the Teddy version.

Materials
Teddy Family DK or Teddy Vanquard DK
2 2 2 2 100 gram balls
Teddy Baby Softspun DK
2 2 2 2 100 gram balls
Koala DK
2 2 2 2 100 gram balls
Stitch holders
5 buttons.