What makes it to be cost effective is that 100 g has 600 meters of yarn. For one sweater you need only two balls of this yarn. You are going to cry when you hear I paid just 2€ per 100 g ball of it. Yes, yes, yes, I bought M A N Y with the shades pale pink, white and grey.
Now I have tried it out. I made BabyBlanketNo7 by using PalePink shade. It is going to be a gift for a friend's baby.
It is very light but warm. Touching a cloud must feel like this blanket. It is my own design but you can find the basic idea to create similar seeing BlanketNo1 -tutorial. See also BlanketNo5 to find out how different kind of yarns create a different look to this basic and easy blanket idea.