It's a swing thing by Sandi Prosser

It's a swing thing

Knitting
Aran (8 wpi) ?
US 9 - 5.5 mm
US 10 - 6.0 mm
1000 - 1080 yards (914 - 988 m)
Women's small, medium and large
English

Since the original yarn is no longer available, I think Colorando will work. Just need to see which color the granddaughter likes.