Basic Building Set (720-1) is a Basic LEGO set released in 1985 with 339 pieces. Browse the parts list, minifigures, and verify loose bricks with our free scanner. This set includes 1 minifigure and 123 unique part types.
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Minifigures in Basic Building Set
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Parts in this set
123 parts · page 1 of 3 · updating…
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Bar 1 x 4 x 2 with Studs4083 · ×1 · Light Gray -
Baseplate 16 x 323857 · ×1 · Light Gray -
Boat, Mast 2 x 2 x 9 2/3 Bar with Slot on Top and 2 Finger Hinge on Two Sides4318 · ×1 · White -
Brick 1 x 13005 · ×14 · White -
Brick 1 x 13005 · ×6 · Blue -
Brick 1 x 13005 · ×4 · Trans-Clear -
Brick 1 x 13005 · ×4 · Red -
Brick 1 x 23004 · ×5 · Red -
Brick 1 x 23004 · ×10 · White -
Brick 1 x 23004 · ×6 · Blue -
Brick 1 x 2 with Black Grill Print3004pr9981 · ×1 · Red -
Brick 1 x 33622 · ×8 · White -
Brick 1 x 33622 · ×6 · Blue -
Brick 1 x 33622 · ×4 · Red -
Brick 1 x 43010 · ×4 · Blue -
Brick 1 x 43010 · ×2 · Red -
Brick 1 x 43010 · ×6 · White -
Brick 1 x 63009 · ×6 · Blue -
Brick 1 x 63009 · ×2 · Red -
Brick 1 x 63009 · ×4 · White -
Brick 1 x 83008 · ×2 · Blue -
Brick 1 x 83008 · ×2 · White -
Brick 2 x 103006 · ×1 · White -
Brick 2 x 2 without Inside Ridges3003a · ×2 · Red -
Brick 2 x 2 without Inside Ridges3003a · ×5 · White -
Brick 2 x 2 without Inside Ridges3003a · ×2 · Blue -
Brick 2 x 3 without Cross Supports3002a · ×2 · Red -
Brick 2 x 3 without Cross Supports3002a · ×2 · White -
Brick 2 x 43001 · ×5 · Red -
Brick 2 x 43001 · ×2 · White -
Brick 2 x 43001 · ×1 · Blue -
Brick Round 1 x 1 Open Stud3062b · ×6 · Light Gray -
Brick Round 2 x 2 with Axle Hole3941 · ×4 · Yellow -
Brick Special 1 x 1 with Headlight4070 · ×2 · White -
Brick Special 1 x 1 with Headlight4070 · ×4 · Red -
Construction Vehicle Bucket 2 x 3 Curved Bottom, Hollow, with Hinge 2 Fingers4626 · ×1 · Yellow -
Door 1 x 3 x 1 Left3822 · ×1 · Red -
Door 1 x 3 x 1 Right3821 · ×1 · Red -
Door 1 x 3 x 2 Left3189 · ×1 · Red -
Door 1 x 3 x 2 Right3188 · ×1 · Red -
Door 1 x 4 x 5 with 4 Panes, Squared Base3861b · ×1 · Red -
Door Sliding - Type 14511 · ×2 · White -
![Flag 4 x 1 Wavy [First Wave Left]](https://cdn.rebrickable.com/media/parts/ldraw/4/4495a.png)
Flag 4 x 1 Wavy [First Wave Left]4495a · ×1 · Red -
Glass for Window 1 x 4 x 33855 · ×2 · Trans-Clear -
Hinge Brick 1 x 2 Base3937 · ×1 · Red -
Hinge Brick 1 x 2 Top Plate Thin3938 · ×1 · Light Gray -
![Hinge Plate 1 x 2 with 3 Fingers [Solid Studs]](https://cdn.rebrickable.com/media/parts/ldraw/7/4275a.png)
Hinge Plate 1 x 2 with 3 Fingers [Solid Studs]4275a · ×3 · Light Gray -
![Hinge Plate 2 x 5 with Large Hole [Complete Assembly]](https://cdn.rebrickable.com/media/parts/ldraw/1/3149ec01.png)
Hinge Plate 2 x 5 with Large Hole [Complete Assembly]3149bc01 · ×1 · Blue