LEGO 740
Basic Building Set

LEGO 740 Basic Building Set box image
Set number
740
Theme
Basic
Pieces
530 pcs
Year
1985
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” is LEGO® “Basic” theme set number 740. Released in 1985, it has 530 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 143 types

Color split (most first)
Red×219
Yellow×162
Black×96
Light Gray×27
Trans-Clear×11
White×6
Trans-Yellow×6
Trans-Red×2
Trans-Green×1
Main parts (most used first)
3665 Slope Inverted 45° 2 x 1
Red · ×18
3004 Brick 1 x 2
Yellow · ×16
3005 Brick 1 x 1
Yellow · ×16
3009 Brick 1 x 6
Yellow · ×12
3039 Slope 45° 2 x 2
Red · ×12
3046a Slope 45° 2 x 2 Double Concave
Red · ×12
3482 Wheel with Split Axle hole
Light Gray · ×12
3622 Brick 1 x 3
Yellow · ×12
3009 Brick 1 x 6
Red · ×10
3010 Brick 1 x 4
Yellow · ×10
3003 Brick 2 x 2
Red · ×8
3004 Brick 1 x 2
Red · ×8
3005 Brick 1 x 1
Red · ×8
3023 Plate 1 x 2
Red · ×8
3037 Slope 45° 2 x 4
Red · ×8
3038 Slope 45° 2 x 3
Red · ×8
3040b Slope 45° 2 x 1 with Bottom Pin
Yellow · ×8
3460 Plate 1 x 8
Black · ×8
3483 Tyre Offset Tread 24 x 8
Black · ×8
3005 Brick 1 x 1
Trans-Clear · ×6
3010 Brick 1 x 4
Red · ×6
3040b Slope 45° 2 x 1 with Bottom Pin
Red · ×6
3062b Brick Round 1 x 1 Open Stud
Black · ×6
3622 Brick 1 x 3
Red · ×6

More “Basic” 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.