#870Technic1977

LEGO 4.5V Supplementary Set

Set #870 · 1977 · 22 pieces · Starter build

LEGO 4.5V Supplementary Set set 870 instructions

Set Details

Set Number
870
Name
4.5V Supplementary Set
Theme
Technic
Year
1977
Pieces
22
Complexity
Starter
Build Time
10-20 minutes
Ages
4+
Type
Play-focused

About LEGO 4.5V Supplementary Set

LEGO 4.5V Supplementary Set (set #870) is a small, compact build with 22 pieces from the Technic theme, released in 1977. The Technic line features mechanically complex models with gears, axles, and motors. This is a starter-level build suitable for ages 4+, with an estimated build time of 10-20 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 #870 (1977) 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.

4.5V Supplementary Set FAQ

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Also Released in 1977

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