⚡ Gear Up for Innovation! Unleash your inner engineer! Perfect for robotics, toy cars, boats, and more! Designed to work seamlessly together for smooth assembly. Aperture sizes ranging from 0.8 to 3 mm for versatile applications. We prioritize your happiness—contact us for any issues! With 200 diverse gears, the possibilities are endless! 0.8-3 mm aperture 200 pcs Compatible designs This 200-piece set of plastic motor gears includes a variety of types such as spindle gears, plane gears, crown gears, and worm gears, all designed for compatibility. With aperture sizes ranging from 0.8 to 3 mm, these gears are perfect for building robots, toy cars, boats, and airplanes. Customer satisfaction is a priority, with support available for any issues.