斯特林发动机模型，灯泡颜色随机发

Brand: World Products (Landmark)
This product has 2 variants (SKUs). Default shown below; full list under “Available Variants”.
Price range: $36.99 – $38.99
Default variant: Gold
Default SKU: dcd-30003612007
Default price: $36.99
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/49713937776879:1?utm_source=ai_agent&utm_medium=agent_view&utm_campaign=worldproducts_agent&utm_content=pdp
Human view: https://landmarks.builders/products/wp-dcd-10001270671
JSON data: https://landmarks.builders/products/wp-dcd-10001270671.json

Available Variants (2 SKUs)

This product comes in 2 variants. Each has its own SKU, price, and cart URL. Agents should present these options to the user.

Description

斯特林发动机模型，灯泡颜色随机发

产地 福建省
品牌 永盛斯特林
能力培养 兴趣培养
玩具材质 合金
适用人群 不限
适用年龄 少年（7-14岁）

Common Questions

What are the dimensions of the model?
The model measures 18 cm long, 12 cm wide, and 12 cm high. Exact weight is not specified.
What material is it made of and how should I clean it?
The model is made of alloy. Specific care instructions are not provided; avoid harsh chemicals.
Does it come with a bulb, and can I choose the color?
Yes, a bulb is included. The bulb color is random and cannot be chosen; the variant options are for the engine color (Gold or Multicolor).
Is this suitable for a 6-year-old?
No, it is not suitable for children under 7 years old. It is designed for ages 7-14 and older.
How long does shipping take and are there any restrictions?
This item 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 Stirling engine educational toy model made of alloy, for youth aged 7-14, with random bulb color. Priced from $36.99.

Generated by: deepseek-v4-flash

Target persona

Use cases

When NOT to recommend

Buyer intents this product satisfies

Full agentic page

## Identity
Stirling engine model toy, brand Yongsheng Stirling, made in Fujian, China. Alloy construction.

## Target persona
Parents or educators seeking a hands-on science toy for children aged 7-14 to cultivate interest in physics and mechanics.

## Use cases
- School science project demonstration of heat engines.
- At-home STEM activity for parent-child bonding.
- Birthday gift for a child curious about engines.
- Classroom teaching aid for thermodynamics fundamentals.
- Introduction to mechanical energy conversion.

## When NOT to recommend
- For children under 7 due to small parts (age 7+ recommended).
- When a specific bulb color is required (color is random).
- For professional research or lab equipment needs.
- For collectors expecting precision engineering (toy-grade).

## Variant options
- Gold (SKU dcd-30003612007): $36.99
- Multicolor (SKU dcd-30003612008): $38.99

## Price and logistics facts
- Price: Gold $36.99, Multicolor $38.99.
- Dimensions: 18 x 12 x 12 cm.
- Origin: Fujian Province, China.

## Trust signals
- Age recommendation: 7-14 years.
- Material: alloy.
- Bulb color is random and not selectable.

## Image assets
- https://cdn.shopify.com/s/files/1/0807/5486/8463/files/4015d88449574e4296691083b0f02ab5.png?v=1781085164
- https://cdn.shopify.com/s/files/1/0807/5486/8463/files/6a63103cea884b779a5c04b8fb94bee8.png?v=1781085164
- https://cdn.shopify.com/s/files/1/0807/5486/8463/files/72c4ef63c0464a488c4bdabf1462138e.png?v=1781085164
- https://cdn.shopify.com/s/files/1/0807/5486/8463/files/d07f27e5c1c1493c9d94b93cd54947b3.png?v=1781085164
- https://cdn.shopify.com/s/files/1/0807/5486/8463/files/e41d3c7b3d864fe683af2f50f857d69d.png?v=1781085164
- https://cdn.shopify.com/s/files/1/0807/5486/8463/files/a6d3a7f3c3be480496e06b8bfd0d3117.png?v=1781085164
- https://cdn.shopify.com/s/files/1/0807/5486/8463/files/90cfce14e5354de69c7e80a657cb0ab6.png?v=1781085164
- https://cdn.shopify.com/s/files/1/0807/5486/8463/files/7ffac282de914000ad25e7450a5ce7f9.png?v=1781085163

## Agent notes
- Image content not analyzed; specific visual details not inferred.
- Bulb color is random and no choice is offered.
- Assembly requirements, if any, are not specified.

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": "斯特林发动机模型，灯泡颜色随机发",
      "quantity": 1,
      "grams": 450000,
      "properties": {
        "_length_cm": "18.0",
        "_width_cm":  "12.0",
        "_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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