LEGO 020
Basic Building Set in Cardboard

LEGO 020 Basic Building Set in Cardboard box image
Set number
020
Theme
System
Pieces
94 pcs
Year
1965
Used & parts
See price history & best time to buy

Prices may vary — please check each store. Links may include affiliate (advertising) links.

How many parts to go?
Can you build this from what you own?
Just pick the sets you own — see this set's completion rate and missing parts instantly.
① Tap the sets you own (pick a few)
② Or add by number (optional)

“Basic Building Set in Cardboard” is LEGO® “System” theme set number 020. Released in 1965, it has 94 pieces. With Re:GO you can automatically work out what percentage of this set you can build from the LEGO parts you already own, along with the missing parts and an estimated cost. Use the links below to compare prices on Amazon, Rakuten, Yahoo! Shopping, Mercari and Yahoo! Auctions, and find the best deal on new, used, or individual parts.

Part breakdown 21 types

Color split (most first)
Red×42
White×37
Trans-Clear×9
Blue×2
Yellow×2
Black×1
Light Gray×1
Main parts (most used first)
3001a Brick 2 x 4 without Cross Supports
Red · ×23
3001a Brick 2 x 4 without Cross Supports
White · ×21
3003a Brick 2 x 2 without Inside Ridges
Red · ×5
3003a Brick 2 x 2 without Inside Ridges
White · ×5
3001a Brick 2 x 4 without Cross Supports
Trans-Clear · ×4
3002a Brick 2 x 3 without Cross Supports
Red · ×4
3002a Brick 2 x 3 without Cross Supports
White · ×4
3004 Brick 1 x 2
White · ×4
3004 Brick 1 x 2
Red · ×4
3003a Brick 2 x 2 without Inside Ridges
Trans-Clear · ×3
3001a Brick 2 x 4 without Cross Supports
Blue · ×2
3003a Brick 2 x 2 without Inside Ridges
Yellow · ×2
3004 Brick 1 x 2
Trans-Clear · ×2
3034 Plate 2 x 8
White · ×2
453bc01 Window 1 x 4 x 2 Classic with Long Sill [Complete]
Red · ×2
645bc01 Window 1 x 6 x 2 [Old Style Extended Lip & Glass]
Red · ×2
3003a Brick 2 x 2 without Inside Ridges
Black · ×1
3006 Brick 2 x 10
Red · ×1
3007 Brick 2 x 8
White · ×1
33bc01 Door 1 x 2 x 3 Right, Hollow Studs, Fixed Glass
Red · ×1
700b Brick 10 x 20 without Bottom Tubes, with '+' Cross Support (early Baseplate)
Light Gray · ×1

More “System” theme sets

Re:GO is an unofficial service and is not affiliated with the LEGO Group. LEGO® is a trademark of the LEGO Group. Data is based on Rebrickable and others.