Feature: 1. Function: The winding machine checks and winds the yarn properly without damaging the original physical and mechanical properties of the yarn. 2. Large Capacity: The package capacity of the bobbin is large, the shape is good, and it is easy to unwind. 3. Knotless Yarn: The yarn joints are small and firm, and try to form a knotless yarn. 4. Cultivating Ability: Different textile windings allow children to experience the logic of textile winding, exercise hand eye coordination and patience, and inspired children's cognition of textiles. 5. Applicability: For Montessori kindergarten or home use, for early learning development. How to Use: This teaching aid is made according to the working principle of the winder. The winder is a special equipment in the textile industry. As the last process of spinning and the first process of weaving, the winding machine plays a "bridge" role. Specification: Item Type: Montessori Winder Product Material: Basswood Product Size: Approx.15 x 15 x 10.5cm / 5.9 x 5.9 x 4.1in Package List: 1 x Winder