# 2 Signals with Automatic Stop / Go Attachment #156 — resale value

Source: JunkPal price guide — https://junkpal.ai/products/2-signals-with-automatic-stop-go-attachment-156-lego-train-lego

**2 Signals with Automatic Stop / Go Attachment #156** sells for about **$51.19** new or sealed, based on real closed eBay sales.

Live listings and the full sold-price history are on the page: https://junkpal.ai/products/2-signals-with-automatic-stop-go-attachment-156-lego-train-lego

## Value by tier

| Condition | Value (USD) |
| --- | --- |
| Sealed (new) | $51 |

Values are medians of real closed eBay sales, updated 2026-08-06. They are estimates for reference, not offers or appraisals — condition, completeness and edition move them a lot, so compare against the sold listings before pricing anything.

## Check the market

- [Sold listings on eBay](https://junkpal.ai/api/go?to=https%3A%2F%2Fwww.ebay.com%2Fsch%2Fi.html%3F_nkw%3DLEGO%25202%2520Signals%2520Automatic%2520Stop%2520Go%2520Attachment%2520156%26LH_Sold%3D1%26LH_Complete%3D1%26mkcid%3D1%26mkrid%3D711-53200-19255-0%26siteid%3D0%26campid%3D5339166094%26toolid%3D10001%26mkevt%3D1%26customid%3Dmd-sold&p=md-sold) — the closed sales these medians are computed from
- [Live listings on eBay](https://junkpal.ai/api/go?to=https%3A%2F%2Fwww.ebay.com%2Fsch%2Fi.html%3F_nkw%3DLEGO%25202%2520Signals%2520Automatic%2520Stop%2520Go%2520Attachment%2520156%26mkcid%3D1%26mkrid%3D711-53200-19255-0%26siteid%3D0%26campid%3D5339166094%26toolid%3D10001%26mkevt%3D1%26customid%3Dmd-live&p=md-live) — what sellers are asking right now

eBay links are affiliate links: JunkPal may earn a commission at no cost to you.

## Details

| Field | Value |
| --- | --- |
| Brand | LEGO |
| Theme | LEGO Train |

## 2 Signals with Automatic Stop / Go Attachment #156 (LEGO Train) resale value

A loose 2 Signals with Automatic Stop / Go Attachment #156 set runs around null, a complete copy (all pieces + box + instructions) about null, and a factory-sealed box commands $51.

### What drives the price

Retired sets, completeness (every piece + minifigs + instructions + box), and sealed condition drive LEGO value. Exclusive sets and discontinued themes appreciate the most; minifigs alone can carry significant value.

## FAQ

**Is this LEGO set still in original packaging?**

Yes, the item is listed as sealed, meaning it is in new, original condition.

**What is the theme of this LEGO set?**

This specific set belongs to the LEGO Train theme.

**Why is the price set at $51?**

The price reflects the item being brand new and sealed, maintaining its full resale value.

---

Full price guide: https://junkpal.ai/products/2-signals-with-automatic-stop-go-attachment-156-lego-train-lego
How these values are computed: https://junkpal.ai/methodology
Cite as: "JunkPal price guide value as of 2026-08-06, based on real sold listings (junkpal.ai)"