Basic Building Set (730-2) is a Basic LEGO set released in 1985 with 430 pieces. Browse the parts list, minifigures, and verify loose bricks with our free scanner. Collectors browsing Basic sets use this inventory to verify loose parts, compare color variants, and read official build manuals without downloading PDFs. This set includes 2 minifigures and 123 unique part types.
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Buying checklist
Quick context before you buy this set used or verify a marketplace listing.
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Release year
1985 (41 years ago — may be retired)
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Catalog scale
430 parts listed · 123 inventory lines tracked
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Minifigures
2 in this set's inventory — verify completeness when buying used
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Build manual
No digital manual in our catalog — check the box tab or LEGO.com
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Gray era
Pre-2004 set — may use old light/dark gray instead of bluish gray
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Shipping weight (est.)
~961 g for parts inventory (excludes box/minifig packaging)
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Before you buy used
Run the completion checker, compare photos to the inventory, and check live listings for sealed pricing
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Market value
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Minifigures in Basic Building Set
Parts in this set
123 parts · page 1 of 3 · updating…
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Bag / Briefcase4449 · ×1 · Brown -
Bar 1 x 4 x 2 with Studs4083 · ×1 · Black -
Baseplate 16 x 323857 · ×1 · Light Gray -
Brick 1 x 13005 · ×20 · Red -
Brick 1 x 13005 · ×14 · Yellow -
Brick 1 x 23004 · ×20 · Red -
Brick 1 x 23004 · ×6 · Yellow -
Brick 1 x 2 with Black Grill Print3004pr9981 · ×1 · Yellow -
Brick 1 x 33622 · ×16 · Red -
Brick 1 x 43010 · ×14 · Red -
Brick 1 x 43010 · ×2 · Yellow -
Brick 1 x 63009 · ×14 · Red -
Brick 1 x 83008 · ×4 · Red -
Brick 2 x 2 without Inside Ridges3003a · ×6 · Red -
Brick 2 x 2 without Inside Ridges3003a · ×2 · Yellow -
Brick 2 x 2 without Inside Ridges6223 · ×1 · Trans-Clear -
Brick 2 x 3 without Cross Supports3002a · ×2 · Yellow -
Brick 2 x 3 without Cross Supports3002a · ×2 · Red -
Brick 2 x 43001 · ×1 · Yellow -
Brick 2 x 43001 · ×2 · Red -
Brick 2 x 83007 · ×1 · Red -
Brick Round 1 x 1 Open Stud3062b · ×6 · Black -
Brick Round 1 x 1 Open Stud3062b · ×8 · White -
Brick Round 2 x 2 with Axle Hole3941 · ×2 · White -
Brick Sloped 33° 3 x 14286 · ×2 · White -
Brick Sloped 33° 3 x 14286 · ×4 · Blue -
Brick Sloped 33° 3 x 23298 · ×1 · White -
Brick Sloped 45° 2 x 1 Double / Inverted with Hollow Bottom3049c · ×1 · Black -
Brick Sloped 45° 2 x 1 Triple with Ovoid Bottom Pin3048c · ×2 · Black -
Brick Sloped 45° 2 x 1 with Bottom Pin3040b · ×6 · Red -
Brick Sloped 45° 2 x 1 with Bottom Pin3040b · ×4 · Yellow -
Brick Sloped 45° 2 x 1 with Bottom Pin3040b · ×4 · Black -
Brick Sloped 45° 2 x 23039 · ×4 · Red -
Brick Sloped 45° 2 x 23039 · ×8 · Black -
Brick Sloped 45° 2 x 2 Double3043 · ×1 · Black -
Brick Sloped 45° 2 x 2 Double Concave3046a · ×12 · Black -
Brick Sloped 45° 2 x 2 Double Convex3045 · ×12 · Black -
Brick Sloped 45° 2 x 33038 · ×8 · Black -
Brick Sloped 45° 2 x 43037 · ×10 · Black -
Brick Sloped 45° 2 x 4 Double3041 · ×3 · Black -
Brick Sloped 45° 2 x 84445 · ×6 · Black -
Brick Sloped Inverted 45° 2 x 13665 · ×8 · Red -
![Brick Sloped Inverted 45° 2 x 2 [Ovoid Bottom Pin, Bar-sized Stud Holes]](https://cdn.rebrickable.com/media/parts/elements/366024.jpg)
Brick Sloped Inverted 45° 2 x 2 [Ovoid Bottom Pin, Bar-sized Stud Holes]3660 · ×4 · Yellow -
![Brick Sloped Inverted 45° 2 x 2 [Ovoid Bottom Pin, Bar-sized Stud Holes]](https://cdn.rebrickable.com/media/parts/elements/366021.jpg)
Brick Sloped Inverted 45° 2 x 2 [Ovoid Bottom Pin, Bar-sized Stud Holes]3660 · ×4 · Red -
Brick Special 1 x 1 with Headlight4070 · ×4 · Yellow -
Brick Special 1 x 1 x 2 with Shutter Holder3581 · ×2 · Red -
Cone 2 x 2 x 2, Blocked Open Stud3942b · ×1 · Black -
Cupboard 2 x 3 Drawer4536 · ×2 · Red