Transformer / Controller 12V #7864 — LEGO Train Set Value
LEGO TrainWhat the Transformer / Controller 12V #7864 LEGO set is worth — loose, complete, and sealed.
Transformer / Controller 12V #7864 value — Loose $17 · Complete (CIB) $50 · Sealed (new) $94. Prices updated July 2026.
Theme · LEGO Train
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Item details
- Brand
- LEGO
- Theme
- LEGO Train
Transformer / Controller 12V #7864 (LEGO Train) resale value
A loose Transformer / Controller 12V #7864 set runs around $17, a complete copy (all pieces + box + instructions) about $50, and a factory-sealed box commands $94.
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.
Price guide
What this actually trades for — sold values by condition vs. what sellers are asking today
| Condition | Value | Based on |
|---|---|---|
| Loose | $17 | eBay sold comps |
| Complete (CIB) | $50 | eBay sold comps |
| Sealed (new) | $94 | eBay sold comps |
Frequently asked questions
- What is the best deal for this LEGO Train part?
- The best value depends on your needs; loose is $18, but CIB is $53.
- Is the sealed version worth the extra cost?
- The sealed, new version is listed at $94, offering maximum collector value.
- What theme does this controller belong to?
- This Transformer/Controller belongs to the LEGO Train theme.