MOC Mechanical Flip-Dot Digital Number Display STEM Building Block Kit (Parts Kit + Digital Manual)

Discover the fascinating intersection of mechanical computing and kinetic engineering with the MOC Mechanical Flip-Dot Digital Number Display STEM Building Block Kit. Featuring a hand-cranked cam drum program memory, precision linkage pushrods, and a mechanical pixel matrix display, this intricate model mechanically calculates and displays numbers from 0 to 9 without electricity or electronics.

Important Notice

• MOC Product: This product is a custom MOC (My Own Creation) building block set composed of high-grade loose technical bricks and mechanical components.
• Packaging: To optimize international shipping efficiency and reduce environmental impact, sets are safely delivered in reinforced protective packaging without original retail color boxes.
• Digital PDF Manual: Paper instructions are not included. Clear, step-by-step electronic PDF assembly manuals will be delivered via email upon package dispatch or customer support request.

Key Features

• Mechanical Cam-Drum Programming: Operates using an ingenious rotating mechanical drum with keyed cam pins that act as physical read-only memory (ROM), mechanically encoding digits 0 through 9.
• Precision Linkage Transmission: Rotating the hand crank turns the cam barrel, translating rotational motion into selective linear movement across multi-tier pushrods and return bands.
• Dynamic Matrix Display: Watch mechanical pixel pins smoothly extend and retract on the front panel to form crisp, legible numeric characters in real time.
• High-Precision Technical Bricks: Precision-molded ABS beams, axles, pins, and liftarms guarantee smooth mechanical synchronization and reliable tactile operation. 100% compatible with major building block brands.
• Pure Mechanical STEM Education: An extraordinary display piece and educational demonstrator showcasing early computing logic, automata mechanisms, and mechanical engineering fundamentals.

How It Works

1. Turn the smooth-action hand crank located on the drive axle.
2. The rotating cam drum indexes through sequential digit patterns encoded into its mechanical profile.
3. Precision follower arms read the drum contours and push forward the corresponding front matrix pins.
4. The high-contrast yellow-and-black pixel grid dynamically updates to display each successive number.

Package Includes

• Complete Model-Specific MOC Technical Bricks & Linkage Parts Kit
• Elastic Tension Bands & Follower Components
• Digital PDF Step-by-Step Building Instructions (Sent electronically)

Specifications

• Material: Premium Eco-Friendly ABS Plastic
• Operation: Manual Hand-Crank Mechanism (No batteries or motors required)
• Recommended Age: 8+ / Teens, Adult Builders & Engineering Hobbyists
• Compatibility: Fully compatible with major building block systems