LEGO Building Set
Set #125 · 1974 · 234 pieces · Moderate build
Set Details
- Set Number
- 125
- Name
- Building Set
- Theme
- Universal Building Set
- Year
- 1974
- Pieces
- 234
- Complexity
- Moderate
- Build Time
- 1-2 hours
- Ages
- 8+
- Type
- Play-focused
About LEGO Building Set
LEGO Building Set (set #125) is a mid-sized build with 234 pieces from the Universal Building Set theme, released in 1974. The Universal Building Set line features classic brick assortments for general building. This is a moderate-level build suitable for ages 8+, with an estimated build time of 1-2 hours. 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 #125 (1974) 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.
Building Set FAQ
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Also Released in 1974
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