1. 26-Piece Plastic Gear Set: This comprehensive set includes a 5-module gear package featuring various models, making it an ideal choice for DIY enthusiasts. It's also a fantastic replacement part for home projects. 2. Motor Compatibility: Specifically designed for hollow core motors, this gear set is compatible with models such as 130, 140, 180, 260, 280, and 370, as well as 2 mm and 3 mm round shaft motors, and 3 mm/4 mm D-shaft geared motors. 3. Versatile Applications: The worm gears (662A and 682A) are suitable for use in propeller and gearbox slots, motor transmissions, and more. The bevel gear (2A socket) serves effectively as a gearbox and motor fixed socket. 4. Durable Plastic Construction: Made from high-quality plastic, this gear set is built to last. It features a combination of white and blue main shaft gears, worm models, and a single bevel tooth, ensuring reliable performance. Use Cases: - Upgrade your model vehicles with precise gear replacements to enhance speed and efficiency. - Use in robotics projects to achieve smooth motor operation and control. - Implement in custom machinery where reliable gear performance is critical for functionality.