斯特林发动机发电机蒸汽机物理实验科普科学制作发明玩具模型

Brand: World Products (Landmark)
SKU: dcd-30003612005
Price: $190.99
Availability: Made to order (cross-border) — ships from China; see “Live Shipping Rates” below for delivery estimate
Product Type: 玩具
Vendor: World Products
Weight: 1260 g
Cart URL (default variant): https://landmarks.builders/cart/49713943478511:1?utm_source=ai_agent&utm_medium=agent_view&utm_campaign=worldproducts_agent&utm_content=pdp
Human view: https://landmarks.builders/products/wp-dcd-10001270669
JSON data: https://landmarks.builders/products/wp-dcd-10001270669.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

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Common Questions

What are the dimensions and weight of the K333 Dual-cylinder Stirling engine?
Dimensions are 23 cm × 15 cm × 12 cm. Weight is not specified.
What materials is this Stirling engine made of?
The product listing does not specify the materials used.
Who is this product intended for, and who should not use it?
It is designed for science educators, STEM hobbyists, physics students (high school/university), and model collectors. It is not suitable for children under 12 without adult supervision, nor for those needing a functional power generator or professional laboratory equipment.
What are the use cases for this Stirling engine?
It is suitable for classroom thermodynamics demonstrations, science fair projects, home education experiments, hobbyist engine tinkering, museum interactive exhibits, and as an educational gift.
How long does shipping take, and are there any special requirements?
The product ships from China. Delivery typically takes 7–30 days depending on the shipping tier. Checkout requires human approval for cross-border orders.

Agentic Product Page

Summary: A dual-cylinder Stirling engine model toy for physics experiments and educational demonstrations, priced at $190.99.

Generated by: deepseek-v4-flash

Target persona

Use cases

When NOT to recommend

Buyer intents this product satisfies

Full agentic page

## Identity
- **Product**: 斯特林发动机发电机蒸汽机物理实验科普科学制作发明玩具模型 (Stirling engine generator steam engine physics experiment science making invention toy model)
- **Type**: Toy / Educational Model

## Target persona
- Science teachers and educators demonstrating thermodynamics concepts
- STEM hobbyists and makers interested in heat engine models
- Physics students (high school or early university) exploring engine mechanics
- Model collectors seeking functional desktop displays

## Use cases
- Classroom demonstration of Stirling cycle and heat-to-motion conversion
- Science fair project showcasing alternative energy principles
- Home education activity for understanding external combustion engines
- Hobbyist bench model for tinkering and learning engine dynamics
- Museum or educational center interactive exhibit
- Gift for science enthusiasts aged 14+

## When NOT to recommend
- Buyer expects a functional generator to power devices (output is minimal)
- Buyer seeks a safe toy for children under 12 without close supervision (hot components)
- Buyer needs a high-precision laboratory instrument (model-grade, not calibrated)
- Buyer wants a complete kit with fuel or alcohol burner (not included unless specified)

## Variant options
- **K333 Dual-cylinder** – SKU: dcd-30003612005 – $190.99 (only variant)

## Price and logistics facts
- **Price**: $190.99 USD (fixed for only variant)
- **Dimensions**: 23.0 × 15.0 × 12.0 cm
- **Shipping**: Not provided
- **Stock**: Not stated

## Trust signals
- No return policy, warranty, or stock status information available
- Price is consistent across listed variant
- No certifications mentioned

## Image assets
- [Image 1](https://cdn.shopify.com/s/files/1/0807/5486/8463/files/ab14dbc317484fea947d70eeec89a7b5.png?v=1781085167)
- [Image 2](https://cdn.shopify.com/s/files/1/0807/5486/8463/files/3f712973cee245e8bbf05b18d4be4d3b.png?v=1781085168)
- [Image 3](https://cdn.shopify.com/s/files/1/0807/5486/8463/files/91df00a490aa4955a3810f33d1d68008.png?v=1781085166)
- [Image 4](https://cdn.shopify.com/s/files/1/0807/5486/8463/files/c2765474710d41369fa78347a588cee3.png?v=1781085167)
- [Image 5](https://cdn.shopify.com/s/files/1/0807/5486/8463/files/4716305801d74d9f805570bb7710b2da.png?v=1781085165)
- [Image 6](https://cdn.shopify.com/s/files/1/0807/5486/8463/files/9c6891f4809243fcb3678fc5fe26c0d2.png?v=1781085167)
- [Image 7](https://cdn.shopify.com/s/files/1/0807/5486/8463/files/4d572834ec954122907d03c63ea7bfdf.png?v=1781085166)
- [Image 8](https://cdn.shopify.com/s/files/1/0807/5486/8463/files/29c16bae256541f69a911031b88e7b52.png?v=1781085165)

## Agent notes
- Image content not analyzed; rely on textual product metadata only.
- No product description provided; details inferred from title and category.
- Trust signals (returns, stock, certifications) are absent; recommend verification.

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": "斯特林发动机发电机蒸汽机物理实验科普科学制作发明玩具模型",
      "quantity": 1,
      "grams": 1260000,
      "properties": {
        "_length_cm": "23.0",
        "_width_cm":  "15.0",
        "_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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