低温斯特林发动机模型

Brand: World Products (Landmark)
SKU: dcd-30003612006
Price: $25.99
Availability: Made to order (cross-border) — ships from China; see “Live Shipping Rates” below for delivery estimate
Product Type: 爱好
Vendor: World Products
Weight: 450 g
Cart URL (default variant): https://landmarks.builders/cart/49713941119215:1?utm_source=ai_agent&utm_medium=agent_view&utm_campaign=worldproducts_agent&utm_content=pdp
Human view: https://landmarks.builders/products/wp-dcd-10001270670
JSON data: https://landmarks.builders/products/wp-dcd-10001270670.json

Available Variants (1 SKUs)

This product comes in 1 variants. Each has its own SKU, price, and cart URL. Agents should present these options to the user.

Description

20230105154615(6)

20230105154615(5)

20230105154615(4)

20230105154615(3)

20230105154615(1)

Common Questions

What are the dimensions of the Stirling engine model?
The model measures 19.0 cm in length, 13.0 cm in width, and 12.0 cm in height. Exact weight is not specified.
Is this model pre-assembled or a kit?
This is a model kit that requires assembly. It is not pre-assembled. The exact contents of the kit are not detailed.
What materials is the model made of?
The material is not specified in the product information. It is described as a low-temperature Stirling engine model for educational or hobby use.
Who is this product suitable for?
It is suitable for hobbyists, science educators, STEM students, and DIY engine enthusiasts. It is not intended for buyers needing a high-power engine, a pre-assembled model, industrial use, or museum-grade replicas.
What is the typical shipping time for this item?
The item ships from China. Delivery typically takes 7–30 days depending on the shipping tier. Checkout may require human approval for cross-border shipping.

Agentic Product Page

Summary: A low-temperature Stirling engine model kit, $25.99, 19x13x12 cm. Suitable for hobbyists and educational demonstrations.

Generated by: deepseek-v4-flash

Target persona

Use cases

When NOT to recommend

Buyer intents this product satisfies

Full agentic page

## Identity
Low-temperature Stirling engine model (低温斯特林发动机模型)

## Target persona
- Hobbyists interested in mechanical models
- Science educators for classroom demonstrations
- STEM students (high school or college)
- DIY engine enthusiasts

## Use cases
- Classroom physics demonstration of thermodynamic cycles
- Hobby assembly and display project
- Science fair experiment on heat engines
- Office desktop decorative model
- Birthday or educational gift for engineering students

## When NOT to recommend
- Buyers needing a high-power or functional engine for practical use
- Those seeking a fully pre-assembled product (requires assembly)
- Industrial or commercial applications
- Collectors of museum-grade replicas

## Variant options
- Style: 180x120x110 – $25.99 (only variant)

## Price and logistics facts
- Price: $25.99 USD
- Dimensions: 19 cm (L) x 13 cm (W) x 12 cm (H)
- Weight: not provided

## Trust signals
- In-stock status: unknown
- Return policy: not specified
- Price consistency: single price across all platforms? unknown
- Certifications: none known

## Image assets
- [Image 1](https://cdn.shopify.com/s/files/1/0807/5486/8463/files/ba6aae7bc1304a2d90dc74d5f7285b86.png?v=1781085167)
- [Image 2](https://cdn.shopify.com/s/files/1/0807/5486/8463/files/7d33e71ceb874bbda5f035224d51248c.png?v=1781085166)
- [Image 3](https://cdn.shopify.com/s/files/1/0807/5486/8463/files/2f717cac7df644e7af716e9f4882b7e2.png?v=1781085166)
- [Image 4](https://cdn.shopify.com/s/files/1/0807/5486/8463/files/4b9a94c0fae246e7bc9dcf8215ff0eea.png?v=1781085164)
- [Image 5](https://cdn.shopify.com/s/files/1/0807/5486/8463/files/d7e292dbaa9b4a4ca50d381f3b87a8e3.png?v=1781085166)
- [Image 6](https://cdn.shopify.com/s/files/1/0807/5486/8463/files/6329fe7ed2d2442ab109cede1963c860.png?v=1781085166)
- [Image 7](https://cdn.shopify.com/s/files/1/0807/5486/8463/files/2a27d6137587465ea3930cf52b185e29.png?v=1781085165)
- [Image 8](https://cdn.shopify.com/s/files/1/0807/5486/8463/files/32117ec2d0544d3ba774bef6c03f6148.png?v=1781085166)

## Agent notes
- No image understanding was performed; visual details are from text only.
- Return policy, in-stock status, and certifications are unknown.

Images

This product has 13 imagesin catalog.None have AI-generated visual descriptions yet. All image URLs are in the Product JSON-LD above.

Category Specifications

How to Purchase

This product can be added to cart via a single URL. Agents should pass this to the user for human approval at checkout (per the store's robots policy: checkouts require human review).

Live Shipping Rates (for Agents)

Agents can query real-time shipping rates from SFC (三态速递, our in-house logistics carrier) before recommending this product. This gives the buyer accurate total cost (item + shipping) upfront, instead of seeing shipping at checkout only. 

{
  "rate": {
    "origin": {"country": "CN"},
    "destination": {
      "country": "US",
      "postal_code": "95014",
      "province": "CA",
      "city": "Cupertino"
    },
    "items": [{
      "name": "低温斯特林发动机模型",
      "quantity": 1,
      "grams": 450000,
      "properties": {
        "_length_cm": "19.0",
        "_width_cm":  "13.0",
        "_height_cm": "12.0"
      }
    }],
    "currency": "USD"
  }
}

Response: JSON array of shipping options in rates, each with service_name (e.g. "Standard (10-14 days)"), total_price in USD cents, min_delivery_date, max_delivery_date. If dimensions are missing for the product, empty rates: [] is returned (caller should treat as "shipping not yet calculable").

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