Please note that while the photo is solid colored, the actual pattern is a striped and stranded colorwork pattern

Pattern is from Wacky Baby Knits but can also be found on the Penguin USA Group Blog from 2010 via the Wayback Machine.

Materials:
pair of size 3 (3.25 mm) needles
pair of size 6 (4 mm) needles
1(1:1) 2 oz (50 g) ball light worsted knitting yarn in color A (white)
1(1:1) 2 oz (50 g) ball light worsted knitting yarn in color B (blue)
1(1:1) 2 oz (50 g) ball light worsted knitting yarn in color C (navy blue)
tape measure
bodkin