75-Piece Plastic Gear Set Kit | DIY Robot & Toy Model Accessories

Upgrade your interface with crisp visuals.
This 12864 Graphic LCD Module delivers a sharp 128x64 pixel resolution on a stunning blue backlight with white pixels. Built with the versatile ST7920 controller, it supports both Parallel and SPI Serial modes, allowing you to save precious I/O pins on your Arduino or microcontroller. Perfect for displaying complex graphics, charts, and custom text.

• High-Res Graphic Display: 128x64 dot matrix resolution enables text, images, and graph rendering.
• Crisp Visibility: Deep blue background with bright white pixels provides excellent contrast and aesthetics.
• Dual Interface Modes: Supports both 6800 8-bit Parallel and Serial (SPI) modes (Selectable via Pin 15 PSB).
• Standard 5V Logic: Seamlessly compatible with Arduino UNO, Mega, and other 5V logic controllers.
• Adjustable Contrast: Dedicated V0 pin allows for precise brightness and contrast tuning via potentiometer.
• Robust Mounting: Four corner mounting holes (3mm) for secure installation in enclosures.

Build the Future with the Ultimate DIY Gear Kit

Whether you are prototyping a complex robotic arm or repairing a beloved remote-controlled car, having the right mechanical components is crucial. Our 75-Piece Plastic Gear Kit is curated specifically for makers and inventors who demand versatility. This isn't just a bag of parts; it is a complete power transmission ecosystem designed to solve your most challenging mechanical design problems.

Everything You Need in One Package

Finding the exact gear ratio for your project can be a frustrating roadblock. We've eliminated that hassle by combining 75 essential mechanical components into a single, comprehensive package. With 19 varieties of double gears, 12 types of single gears, and multiple belt pulleys, you have complete control over your motor's speed and torque. Need to convert rotational motion into linear motion? The included connection racks have you covered.

Designed for Precision and Durability

Quality matters when it comes to moving parts. Each piece in this kit is manufactured from durable, high-impact plastic designed to withstand the friction and wear of continuous operation. The precision-molded teeth ensure smooth meshing, reducing power loss and preventing mechanical jamming in your delicate DIY models.

Endless Applications for Hobbyists and Students

This kit is more than just a repair solution; it is an educational powerhouse. It is the perfect companion for STEM science experiments, helping students physically grasp the concepts of gear ratios, torque, and mechanical advantage. From custom-built drones and airplanes to homemade scientific instruments, this kit empowers you to experiment without limitations.

• Local delivery within Hong Kong and in-store pickup.​
• Free shipping for orders of HK$400 or above; HK$35 shipping fee for orders below HK$400.​
• Shipped by SF Express, usually dispatched the same day for orders confirmed before 6:00 PM (Mon–Sat).​
• Estimated delivery time: 1–3 business days after dispatch (Hong Kong).​
• In-store pickup details (location and time) will be confirmed by email or phone message.​
• Delivery times are estimates and may be affected by weather or unforeseen circumstances.​