LEGO Complete Train Set with Motor, Signals and Switch
Set #181 · 1972 · 145 pieces · Quick build

Set Details
- Set Number
- 181
- Name
- Complete Train Set with Motor, Signals and Switch
- Theme
- Train
- Year
- 1972
- Pieces
- 145
- Complexity
- Quick
- Build Time
- 20-45 minutes
- Ages
- 6+
- Type
- Play-focused
About LEGO Complete Train Set with Motor, Signals and Switch
LEGO Complete Train Set with Motor, Signals and Switch (set #181) is a mid-sized build with 145 pieces from the Train theme, released in 1972. The Train line features motorized and static train sets with tracks and stations. This is a quick-level build suitable for ages 6+, with an estimated build time of 20-45 minutes. This set dates from the pre-minifigure era, before LEGO introduced its iconic yellow-faced figures in 1978.
Finding Instructions
Instructions for older sets like #181 (1972) may not always be available on LEGO.com. Try searching the set number directly, or upload a photo of the bricks to LegoFinder — the AI can identify vintage sets from their parts.
Complete Train Set with Motor, Signals and Switch FAQ
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Also Released in 1972
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