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Transformer / Controller 12V

Catalogue image of Transformer / Controller 12V

Transformer / Controller 12V (7864-1) is a set in the 12V theme, released in 1980. It has 34 pieces.

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  • Number7864-1
  • Released1980
  • Pieces34
  • Theme12V

Product details
Number
7864-1
Name
Transformer / Controller 12V
Theme
Train › 12V
Released
1980
Pieces
34

BrickLink market data

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Pricing
Best price ever≈ 145.33 USD (130.00 EUR) Mint · net · BrickLink · seen 11/3/2026
Current best offerNo current offer we can compare.
Lowest completed sale ≈ 10.61 USD (9.50 EUR) Good · net · BrickLink · sold 10/31/2026

Price history

There are not enough shop prices in this range to draw a chart yet.

≈ marks a price converted into this currency at the ECB reference rate of its own date — a reference indication, not a tradeable rate. The price as observed follows in brackets.

Price statistics by condition
Good · net1 sold 10/5/2026 – 11/4/2026 — not enough to value yet.
Sources BrickLink: 73

Latest price from each shop

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On eBay

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Building instructions

All building instructions for this set on LEGO.com

Parts in this set

20 inventory lines

Catalogue image of the part User Guide, Information Note for Parents, 12V Transformer - 108681
User Guide, Information Note for Parents, 12V Transformer - 108681 108681· [No Color/Any Color]
×1
Catalogue image of the part Brick 2 x 4
Brick 2 x 4 3001· Black
×2
Catalogue image of the part Brick 1 x 8
Brick 1 x 8 3008· Black
×2
Catalogue image of the part Plate 2 x 4
Plate 2 x 4 3020· Light Gray
×2
Catalogue image of the part Plate 4 x 6
Plate 4 x 6 3032· Black
×1
Catalogue image of the part Brick Sloped 45° 2 x 3
Brick Sloped 45° 2 x 3 3038· Black
×4
Catalogue image of the part Technic Gear 24 Tooth [Old Style - Three axle holes]
Technic Gear 24 Tooth [Old Style - Three axle holes] 3648a· Light Gray
×1
Catalogue image of the part Technic Gear 24 Tooth Crown with Flat Teeth
Technic Gear 24 Tooth Crown with Flat Teeth 3650a· Light Gray
×1
Catalogue image of the part Plate 1 x 6
Plate 1 x 6 3666· Black
×1
Catalogue image of the part Technic Brick 1 x 4 [3 Pin Holes]
Technic Brick 1 x 4 [3 Pin Holes] 3701· Black
×2
Catalogue image of the part Technic Axle 2
Technic Axle 2 3704· Black
×1
Catalogue image of the part Technic Axle 6
Technic Axle 6 3706· Black
×1
Catalogue image of the part Technic Axle 8
Technic Axle 8 3707· Black
×1
Catalogue image of the part Technic Bush
Technic Bush 3713· Light Gray
×2
Catalogue image of the part Technic Plate 2 x 8 [7 Holes]
Technic Plate 2 x 8 [7 Holes] 3738· Black
×1
Catalogue image of the part Brick Round 2 x 2 with Axle Hole
Brick Round 2 x 2 with Axle Hole 3941· Black
×4
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