# Mechanical Demonstration Model – Chain Drive

Full listing title: Mechanical Demonstration Model with Crank Handle Uncovered Moving Parts for Students, Science Teachers, Classroom, Research Facility

- SKU: DCD-10001598032
- Price: 53.79 USD (excludes sales tax; tax calculated at checkout). Price valid until 2026-10-31.
- Availability: In stock (20 available; up to 10 per order)
- Shipping: free standard shipping, United States only; delivered in 12-22 days from order (leaves the warehouse within 4 business days)
- Estimated delivery if ordered today (2026-10-01): 2026-10-13 to 2026-10-23
- Returns: 30 days from delivery for unused items in original packaging; customer pays return shipping unless the item is damaged, defective or not as described; refund to the original payment method within 5 business days of receiving the return (https://suntekstore.com/returns/)
- Category: Hobbies & Collectibles (Arts & Entertainment > Hobbies & Creative Arts > Arts & Crafts)
- Condition: new; brand: SuntekStore
- Package size: 27 x 20 x 11.76 cm (10.6 x 7.9 x 4.6 in)
- Weight: 1.50 kg (3.31 lb)
- Material: Plastic
- In the box: Chain Transmission Model ×1 set
- Product size: 30 x 20 x 16 cm (11.8 x 7.9 x 6.3 in)
- Structure: Rectangular raised base with vertical support structure
- Components: Two aligned rotating wheels, drive link components, manually operated crank handle
- Design: uncovered moving parts, rigid construction, visible fasteners, open support section
- Function: Demonstrates rotational motion and power transmission

## Description

Identity: This educational model is a mechanical demonstration model with crank handle, built as a clear mechanical demonstration model for showing how motion is transferred through aligned rotating parts.
Function: As a demonstration model, it lets users turn the manual crank and observe how rotational movement travels through the drive link components in real time.
Structure: The open support section, vertical frame, and visible fasteners give the mechanical demonstration sturdy, easy-to-follow layout for close observation during lessons or demonstrations
Visibility: Designed as a rotational motion demonstration model, it keeps the moving parts uncovered so the wheel alignment be seen without obstruction.
Use: This educational model is well suited for classrooms, laboratories, and workshops where teachers and students need a manual-in a manner to explain basic mechanical relationships and movement transfer.

This mechanical demonstration model with crank handle is built as a manual-on educational model for showing how power and action transfer through a simple mechanical system. Mounted on a rectangular raised base with a vertical support structure, it presents the mechanism in a clean, easy-to-study layout that suits teaching and demonstration settings. As a demonstration model, it uses two aligned rotating wheels and drive link components so the transfer of motion can be monitored directly. Turning the manual crank brings the parts into motion, making it easier to explain how one movement becomes another and how linked components work together in a basic setup. The rigid base and frame, along with the open support section and visible fasteners, give the stable construction and keep the working parts in view. That clear structure makes it especially useful when a teacher needs to slow the process down for or when a student wants to follow each step of the movement path with attention. Because it functions as a rotational motion demonstration model, it is practical in classrooms, laboratories, and workshops where mechanical relationships need to be shown in a direct, memorable way. Whether used for a practice, explanation, or a workshop display, it offers an uncomplicated layout learning movement transfer and principles through manual and visible movement.

Option: Chain Drive

## How to buy

Open https://suntekstore.com/buy/DCD-10001598032?qty=1 (change qty to 1-10). It redirects to Stripe Checkout; the shopper enters a US shipping address and pays there. No account or cart needed.

## Links

- Product page: https://suntekstore.com/p/DCD-10001598032/
- JSON: https://suntekstore.com/products/DCD-10001598032.json
- Image: https://suntekstore-img.sfo3.digitaloceanspaces.com/p/1b/1b267cf69ee40cce9250b99517a575fe25c73f83.jpg
- Store policies: https://suntekstore.com/llms.txt