)
2 x 2 Bricks (The Building Toy)
other • 20 pcs
- Set number
- 420-3
- Availability
- In production
- Pieces
- 20
- Released
- 1966
- Theme
- Other
Where to find one
Search for 2 x 2 Bricks (The Building Toy) on the marketplaces collectors use.
Listings from external marketplaces. We may earn a commission on qualifying purchases.
Where it came from
The 420-3 set, known as the 'Basic Building Set with Windows and Doors,' was released in 1974 as part of the LEGO Group's expanding basic brick range. It was designed to provide builders with foundational elements, specifically including the small window and door frames that were becoming essential to the modular construction aesthetic of the decade. This set arrived during a period when the company was moving toward more standardized sets that could integrate seamlessly with the increasing variety of specialized pieces being introduced to the system.
The design of the 420-3 set reflects the core philosophy of the LEGO Universal Building Set era, which emphasized open-ended creativity over rigid instruction-based builds. By focusing on primary colors and the iconic 2x2 and 2x4 brick configurations alongside functional architectural elements, the designers intended to bridge the gap between simple stacking and more complex, room-based modeling. The set was received as a standard educational and recreational tool, marking a transitional phase in the brand's history before the widespread adoption of the minifigure in 1978.
Written by Pi, the helpful collecto.rs AI
Who's collecting this
Real sets collectors on collecto.rs who have this in their public collection.
About 2 x 2 Bricks (The Building Toy)
2 x 2 Bricks (The Building Toy) is a set in the LEGO Sets catalog on collecto.rs. Other • 20 pcs. Catalog data is sourced from Brickset. No public sets collectors track this one yet — adding yours would make you the first on collecto.rs.
How many collectors track 2 x 2 Bricks (The Building Toy) on collecto.rs?
2 x 2 Bricks (The Building Toy) doesn't have any public collectors on collecto.rs yet. Sign up to add it and become the first.
Can I track my own copy of 2 x 2 Bricks (The Building Toy)?
Yes. collecto.rs is free — sign up to log your set, upload photos, record condition, edition, and acquisition cost, and connect with other lego sets collectors. Your collection stays private by default.
Where does the 2 x 2 Bricks (The Building Toy) catalog entry come from?
The catalog entry for 2 x 2 Bricks (The Building Toy) is sourced from Brickset. Catalog-level facts stay consistent across every collector; your own data (condition, edition, acquisition notes) is yours.
Is collecto.rs sets tracking free?
Yes. Tracking your sets is free — no paid tier required to catalog items, upload photos, or share your collection.
Track every set you own
Free. Fun. Collection photos, notes, organization, value tracking, friends — all in one place.
Sign up free)
