Knot your anchor. A great outdoor adventure tool for your little sailor. Start out weaving to learn the ropes. Graduate into cleats, figure eights, bowlines, and anchor hitches. Challenge yourself and your children to learn a new skill. Excellent for enhancing fine motor skills. Measures 4" x 2.5" x 0.25" and comes with 21 inches of cord. Download a knot app to help guide you.