Features: Mastering 12 different knots braiding kills with this portable wood knots trainer board, printed guide and rope for camping, hiking, mountaineering and outdoor skills practice. Crafted from wood, size: 20x12.50cm, this knots training tool enables easily learning. Suitable for children, teen, adult, parent teaching practical life skills, outdoor enthusiasts refining survival techniques, and educators seeks hands on STEM/STEAM learning aid. Use during camping to practice secure tent knots, or home for parent child activity, or school classrooms to demonstrate physics principle. The engraved knot pattern and included cotton rope transform outdoor knots into achievable challenges, building muscle memory for emergency scenarios. Specifications: Component: Wood Color: Wood Color Size: Approx. 20x12.50cm/7.87x4.92in Weight: Approx. 41g Package Includes: 1Piece Wood Craft Rope Knot Training Board note: 1.Please allow 0-1cm error due to manual measurement. Be sure you donot mind before bid. 2.Due to difference between different monitors, the picture may not reflect the actual color