This is a beginner level blanket that begins with 5 stitches and grows by one stitch per row for as long as you want it to be. Then decreasing by one stitch per row, the blanket ends up to be perfectly square.

Sizes included are stroller, baby, small, medium and large.

Yarn choices for this project are for worsted weight yarn. Colorways are 3 of your own choosing plus white.

Assuming a gauge of 4.5 stitches to the inch: (estimates are approximate):
MC: Main Color (every other stripe)
CC: Contrasting color

Stroller: 300 yards MC, 80 yards each of CC for 24 x 24
Baby: 400 yards MC, 130 yards each of CC for 30 x 30
Small: 500 yards of MC, 200 yards each of CC for 36 x 36
Medium: 600 yards of MC, 240 yards each of CC for 42 x 42
Large: 700 yards of MC, 375 yards each of CC 48 x 48

Needle recommendations are per the yarn recommendations: US 8 circular needles with at least a 24” cable.