Premium Woven Hacky Sacks by BeWild. $1.49. hacky sacks are assorted in color and will look just like the ones in this picture. Kicking around a hacky sack is great for improving coordination. Hacky Sacks are made in Guatemala, often called "foot bags" they are all cotton with small plastic beads inside. They are firm when you buy them but quickly become soft and easy to work with. Sold individualy.