Hand-Crank Engine Demonstration Kit

PRODUCT 1 – Standard Hand-Crank Engine Kit (200+ Pieces)

Product Title：
Standard Hand-Crank Engine Demonstration Kit, Manual Cycle Teaching Engine

Short Description：
Standard hand-crank engine kit with 200+ pieces for manual cycle teaching.

Full Description：
Hand-crank engine demonstration kit powered entirely by a manual crank so students can control and observe every stroke. Slower operation makes the intake, compression, power and exhaust phases easy to follow. A classic classroom demonstration tool for engine cycle teaching.

Key Features
- Manual crank control
- 200+ precision pieces
- Visible four-stroke cycle
- Slow motion observation
- For classroom demonstrations

Specifications
Model: Standard Hand-Crank Engine
Pieces Count: 200+
Power: Manual Hand-Crank
Cycle: Four-Stroke Visible
Material: ABS + Metal Parts
Dimensions: 20 x 16 x 14cm
Assembly Time: 2-3 Hours
Skill Level: Beginner
Warranty: 1 Year

PRODUCT 2 – Advanced Hand-Crank Engine Kit (350+ Pieces, Detailed)

Product Title：
Advanced Hand-Crank Engine Demonstration Kit, Detailed Cycle Analysis Engine

Short Description：
Advanced hand-crank engine kit with 350+ pieces for detailed cycle analysis.

Full Description：
Hand-crank engine demonstration kit powered entirely by a manual crank so students can control and observe every stroke. Slower operation makes the intake, compression, power and exhaust phases easy to follow. A classic classroom demonstration tool for engine cycle teaching.

Key Features
- Cycle phase indicators
- 350+ detailed pieces
- Valve timing markers
- Torque indicator
- For detailed cycle analysis

Specifications
Model: Advanced Cycle Analysis Engine
Pieces Count: 350+
Power: Manual Hand-Crank
Features: Phase Indicators + Timing Markers
Material: ABS + Aluminum Parts
Dimensions: 26 x 20 x 18cm
Assembly Time: 3-4 Hours
Skill Level: Intermediate
Warranty: 1 Year

PRODUCT 3 – Professional Hand-Crank Engine Kit (500+ Pieces, Full Metal)

Product Title：
Professional Hand-Crank Engine Demonstration Kit, Full Metal Demo Engine

Short Description：
Professional hand-crank engine kit with 500+ full metal pieces for premium teaching.

Full Description：
Hand-crank engine demonstration kit powered entirely by a manual crank so students can control and observe every stroke. Slower operation makes the intake, compression, power and exhaust phases easy to follow. A classic classroom demonstration tool for engine cycle teaching.

Key Features
- 500+ full metal pieces
- Durable demonstration build
- Smooth precision crank
- Large visible components
- For lecture hall teaching

Specifications
Model: Professional Full Metal Demo Engine
Pieces Count: 500+
Power: Manual Hand-Crank
Material: Full Metal Alloy
Size: Large Lecture Format
Dimensions: 32 x 24 x 22cm
Assembly Time: 5-6 Hours
Skill Level: Advanced
Warranty: 2 Years

3 Models Core Difference Quick Overview

- Standard Hand-Crank Engine Kit (200+ Pieces): Manual cycle teaching engine, best for classroom demos.
- Advanced Hand-Crank Engine Kit (350+ Pieces, Detailed): Cycle analysis with phase indicators, for detailed study.
- Professional Hand-Crank Engine Kit (500+ Pieces, Full Metal): Full metal lecture format engine, for lecture hall teaching.

3-Model Comparison Overview
Our engine model kit series provides three dedicated variants for different skill levels and building experiences.
The standard hand-crank engine lets students observe every stroke at their own pace for classroom demonstrations.
The advanced hand-crank engine adds phase indicators and timing markers for detailed cycle analysis.
The professional full metal hand-crank engine provides a durable large format demonstration tool for lecture halls.