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Universal Building Set

404-1 · 1977 · Universal Building Set

472 pieces · 121 part types

Start a checklist for this set

What there is most of

  • Technic Link with Two Studs · Black×48
  • Brick 1 x 2 · Yellow×20
  • Brick 1 x 6 · Yellow×16
  • Brick Sloped 45° 2 x 4 · Black×16
  • Brick 1 x 4 · Yellow×14
  • Brick 1 x 1 · Yellow×12
  • Brick Sloped 45° 2 x 2 · Black×12
  • Brick 1 x 2 · Black×10
  • Brick 1 x 1 · Black×8
  • Brick Sloped Inverted 45° 2 x 2 [Ovoid Bottom Pin, Bar-sized Stud Holes] · Yellow×8
  • Brick 1 x 4 · Black×6
  • Brick 1 x 6 · Black×6
  • Brick 1 x 8 · Black×6
  • Brick 1 x 8 · Yellow×6
  • Brick Sloped Inverted 45° 2 x 2 [Ovoid Bottom Pin, Bar-sized Stud Holes] · Black×6
  • Technic Bush Old Type 2 · Red×6
  • Window 1 x 2 x 2 Classic, Short Lip [with Glass] · Red×6
  • Plate 1 x 2 · Black×5
  • Brick 1 x 2 · Trans-Clear×4
  • Brick 2 x 2 without Inside Ridges · Yellow×4

The twenty most numerous parts, longest bar first. Start a checklist to see all 121 part types and tick them off as you find them.

Part data from Rebrickable. LEGO® is a trademark of the LEGO Group, which does not sponsor or endorse this site.