Invention Designer (Kits 10 - 12)
20215-1 Master Builder Academy 2013 678 parts 1.5% repair risk Intermediate
The LEGO Master Builder Academy Invention Designer 20215-1, with 678 pieces, immerses builders in a Steampunk world, exploring historical innovations and diverse architectural styles. Builders culminate their learning at the Inventor’s Lab, creating custom designs. This set includes 13 building instructions: three for main models and ten additional springboard designs for further exploration. Three 84-page Designer Handbooks detail 141 official building tips and six key LEGO Master Builder techniques. Each of the three exclusive LEGO MBA Level 4 Minifigures arrives with its own themed accessory build. An included access code grants entry to members-only online content at LEGO.com/mba, offering extra technique demonstrations and skill tests.
Parts Inventory
| Part | Qty | LEGO price each |
|---|---|---|
![]() 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 | 3× | Check price → View |
![]() Brick 2 x 2 Corner 2357 | 2× | €0,16 |
![]() Tile Special 1 x 2 Grille with Bottom Groove 2412b | 13× | €0,06 |
![]() Plate 2 x 2 Corner 2420 | 6× | €0,07 |
![]() Plate 2 x 2 Corner 2420 | 6× | €0,07 |
![]() Tile 1 x 4 with Groove 2431 | 2× | €0,12 |
![]() Tile 1 x 4 with Groove 2431 | 2× | €0,12 |
![]() Slope Inverted 75° 2 x 1 x 3 2449 | 2× | €0,23 |
![]() Brick Special 1 x 2 with Pin 2458 | 4× | Check price → View |
![]() Plate Special 1 x 2 Side Handle [Free Ends] 2540 | 12× | €0,07 |
![]() Plate Round 2 x 2 with Rounded Bottom [Boat Stud] 2654 | 6× | €0,07 |
Repairability
Can you fix Invention Designer (Kits 10 - 12) if a piece goes missing?
3 of the 203 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 Invention Designer (Kits 10 - 12), including models from 2013 and other sets in the same theme.
Build DNA
Parts inventory insights for Invention Designer (Kits 10 - 12)
678 pieces puts this build +226% against the average Master Builder Academy set and +132% against the average 2013 release.
Vs average Master Builder Academy set
Average Master Builder Academy set: 208 pieces across 16 other sets.
Vs average 2013 set
Average 2013 set: 292 pieces across 334 other sets.
Color profile
Dominant color
Black
Unique parts
0.4 pieces per unique type
Repeat factor
Average pieces per unique type.
Most used part
Plate Round 1 x 1 with Solid Stud
44xResults are based on official LEGO part inventories. Accuracy improves as you confirm set completeness.
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![Slope Curved 4 x 1 No Studs [Stud Holder with Symmetric Ridges]](https://cdn.rebrickable.com/media/parts/elements/6042956.jpg)









![Plate Special 1 x 2 Side Handle [Free Ends]](https://cdn.rebrickable.com/media/parts/elements/4140588.jpg)
![Plate Round 2 x 2 with Rounded Bottom [Boat Stud]](https://cdn.rebrickable.com/media/parts/elements/4278273.jpg)