4.5V Supplementary Set (870-1) is a Expert Builder LEGO set released in 1977 with 22 pieces. Browse the parts list, minifigures, and verify loose bricks with our free scanner. This set includes 14 unique part types.
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Parts in this set
14 parts · updating…
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![Battery Box, 4.5V 6 x 11 x 3 1/3 Type 3 [Complete Assembly]](https://cdn.rebrickable.com/media/parts/ldraw/7/u9040c01.png)
Battery Box, 4.5V 6 x 11 x 3 1/3 Type 3 [Complete Assembly]468c03 · ×1 · Light Gray -
Motor, 4.5V Type 1 for 2-Prong Connectors without Middle Pin6216a · ×1 · Light Gray -
Rubber Band Medium (Square Cross Section) Thin Cut70012 · ×1 · Black -
Technic Axle 43705 · ×2 · Black -
![Technic Brick 1 x 2 [1 Pin Hole]](https://cdn.rebrickable.com/media/parts/elements/370024.jpg)
Technic Brick 1 x 2 [1 Pin Hole]3700 · ×4 · Yellow -
![Technic Brick 1 x 4 [3 Pin Holes]](https://cdn.rebrickable.com/media/parts/elements/370124.jpg)
Technic Brick 1 x 4 [3 Pin Holes]3701 · ×2 · Yellow -
Technic Bush3713 · ×1 · Light Gray -
![Technic Gear 24 Tooth [Old Style - Three axle holes]](https://cdn.rebrickable.com/media/parts/ldraw/7/3648a.png)
Technic Gear 24 Tooth [Old Style - Three axle holes]3648a · ×1 · Light Gray -
Technic Gear 24 Tooth Crown with Flat Teeth3650a · ×1 · Light Gray -
Technic Gear 8 Tooth3647 · ×2 · Light Gray -
![Technic Plate 2 x 4 [3 Holes]](https://cdn.rebrickable.com/media/parts/elements/370924.jpg)
Technic Plate 2 x 4 [3 Holes]3709 · ×2 · Yellow -
![Technic Plate 2 x 8 [7 Holes]](https://cdn.rebrickable.com/media/parts/elements/373824.jpg)
Technic Plate 2 x 8 [7 Holes]3738 · ×2 · Yellow -
Technic Steering Pulley Large3736 · ×1 · Light Gray -
Wire with Light Gray 2-Prong Connectors, 4.5V, Type 1 Connectors, 96L141ac96 · ×1 · White