Basic Building Set in Cardboard (005-1) is a System LEGO set released in 1965 with 35 pieces. Browse the parts list, minifigures, and verify loose bricks with our free scanner. Collectors browsing System sets use this inventory to verify loose parts, compare color variants, and read official build manuals without downloading PDFs. This set includes 9 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
1965 (61 years ago — may be retired)
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Catalog scale
35 parts listed · 9 inventory lines tracked
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Minifigures
No minifigs in inventory (brick-only or Technic set)
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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.)
~98 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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Parts in this set
9 parts · updating…
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Brick 1 x 23004 · ×3 · White -
Brick 1 x 23004 · ×3 · Red -
Brick 10 x 10 without Bottom Tubes, with '+' Cross Support (early Baseplate)733ex · ×1 · Light Gray -
Brick 2 x 2 without Inside Ridges3003a · ×3 · Red -
Brick 2 x 2 without Inside Ridges3003a · ×3 · White -
Brick 2 x 3 without Cross Supports3002a · ×3 · Red -
Brick 2 x 3 without Cross Supports3002a · ×3 · White -
Brick 2 x 4 without Cross Supports3001a · ×8 · White -
Brick 2 x 4 without Cross Supports3001a · ×8 · Red