Level One - Kits 1-3
20212-1 Master Builder Academy 2012 383 parts 3.4% repair risk Intermediate
Level One - Kits 1-3 (20212-1) is a LEGO Master Builder Academy from 2012. The set contains 383 parts across 12 part and colour combinations in 5 colours — the full inventory below shows exactly which pieces you need to build or complete it.
Parts Inventory
| Part | Qty | LEGO price each |
|---|---|---|
![]() Brick Curved 1 x 4 x 1 1/3 No Studs 10314 | 2× | €0,24 |
![]() Equipment Magnifying Glass with Thick Frame, Solid Handle, Trans-Clear Lens 10830pat0001 | 1× | Check price → View |
![]() Slope Curved 4 x 1 No Studs [Stud Holder with Symmetric Ridges] 11153 | 4× | €0,12 |
![]() Tile Special 1 x 1 with Clip with Rounded Tips 12825 | 2× | Check price → View |
![]() Tile Special 1 x 2 Grille with Bottom Groove 2412b | 2× | €0,06 |
![]() Tile 1 x 4 with Groove 2431 | 2× | €0,12 |
![]() Tile 1 x 4 with Groove 2431 | 3× | €0,12 |
![]() Helmet, Standard 2446 | 1× | Check price → View |
![]() Lever Small Base with Black Lever 298c02 | 2× | €0,19 |
![]() Brick 1 x 2 3004 | 1× | €0,11 |
![]() Brick 1 x 1 3005 | 1× | €0,07 |
![]() Plate 2 x 4 3020 | 1× | €0,15 |
Repairability
Can you fix Level One - Kits 1-3 if a piece goes missing?
4 of the 117 part+color combinations in this set appear in 3 or fewer sets ever made. Lose one of those and a replacement is very hard to find.
Theme average
3.5%
All sets
6.7%
Hardest to replace
More Master Builder Academy sets
Browse more LEGO Master Builder Academy sets related to Level One - Kits 1-3, including models from 2012 and other sets in the same theme.
Build DNA
Parts inventory insights for Level One - Kits 1-3
383 pieces puts this build +69% against the average Master Builder Academy set and +33% against the average 2012 release.
Vs average Master Builder Academy set
Average Master Builder Academy set: 226 pieces across 16 other sets.
Vs average 2012 set
Average 2012 set: 289 pieces across 304 other sets.
Color profile
Dominant color
Light Bluish Gray
Unique parts
4.8 pieces per unique type
Repeat factor
Average pieces per unique type.
Most used part
Plate 1 x 2
51xResults are based on official LEGO part inventories. Accuracy improves as you confirm set completeness.
This site is not affiliated with or endorsed by the LEGO Group.



![Slope Curved 4 x 1 No Studs [Stud Holder with Symmetric Ridges]](https://cdn.rebrickable.com/media/parts/elements/6578745.jpg)








