Recommended Rope for Knot Tying : r/cubscouts

Built Industrial 3/8 inch x 100 ft Diamond Braided Rope for Knot Tying Practice, Camping, Boats, Trailer Tie Down (Polyester)

Knot Tying Practice Sticks - 30 Minute Crafts

Knot Tying Kit Pro-Knot Best Rope Knot Cards, two practice cords

Portable Knot Tying Station

tips for teaching knot tying — Colter Co.

Best Knot Tying Resources for Cub Scouts ~ Cub Scout Ideas

Deluxe Nautical Knot Kit - Waterproof Nautical Knot Chart, 6 Boat Cleat, Jute Rope, & Poly Rope to Practice Sailing & Boating Knots - Master 21 Nautical Knots with This Sailing Rope

Advanced Knotting Techniques (Examples from Surgical Practice)

3/8 Inch x 100 Ft Diamond Braided Rope for Knot Tying

3/8 Inch x 100 Ft Diamond Braided Rope for Knot Tying Practice