Features: Experience powerful and stable vibrations with our Pull string Vibration Motor, designs to enhancing your crafting and toy project with creativity. Featured a unique wing structure, this mechanism ensures enhanced stability and durability, while its advanced technology ensures quiet operations in any environment. Great for electronic enthusiasts and engineers, this product support craft project and professional application requiring precise vibration control. Perfect for home entertainment, model making, or laboratory research, offer multiple use in various occasion, from family project to scientific experiment. Use selected plastic, this wing movement is not only practical but also inspires endlessly possibilities for innovation and imagination in your creative endeavors. Specifications: Product Dimension: As pictures shown Component: Plastic Package Includes: 2PCS Clockworks Wing Mechanism note: Please allow 1-2cm errors due to manual measurement. Due to the differences between different monitors, the picture may not reflect the actual color of the item.