Plymouth Mushishi Yarn is a similar yarn: wool, hand wash, worsted (19-20 sts/4 in), 5 sts / inch, and on size 7 US needles. You may also like Berroco Modern Cotton Yarn, which is another similar yarn: worsted (19-20 sts/4 in), 5 sts / inch, 100 gram, and on size 7 US needles.
What about yarn that have the same look and feel? Find more yarn with a smooth / uniform texture, a low (drapey) twist, and is machine dyed.
Hopefully our suggested project ideas for Berroco Boboli Yarn can help you come up with your next exciting new project idea!