About this item

• Searching for the ideal tool for fixing toys or creating mechanical models? Our compact and user-friendly plastic crown gear is the perfect choice.
• Our worm gear is made from durable, high-quality plastic that's perfect for science education, laboratories, and DIY models. Enjoy excellent performance and an extended service life.
• Elevate your DIY projects with our premium quality plastic gears kit of 75 pieces. Perfect for toy cars, robots, motors, and more!
• Save time and money with our all-in-one package featuring 75 kinds of parts and accessories. Conveniently store and carry everything you need in one easy-to-use package.