Guri starts winding the yarn into a ball. When the yarn ball is the size of a pea, he asks, “I wonder how long this string of yarn is?” “Let’s keep winding it and find out,” says Gura. “It might get as big as our house!” So Guri and Gura take turns winding the yarn ball.

Guri and Gura’s Picnic Adventure, Rieko Nakagawa, Tuttle Publishing, 2005, P-15