LEGO 51515
Robot Inventor

LEGO 51515 Robot Inventor box image
Set number
51515
Theme
Mindstorms
Pieces
949 pcs
Year
2020
Used & parts
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“Robot Inventor” is LEGO® “Mindstorms” theme set number 51515. Released in 2020, it has 949 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 145 types

Color split (most first)
Black×371
Blue×144
Light Bluish Gray×128
White×105
Dark Turquoise×97
Dark Bluish Gray×32
Tan×24
Red×23
Reddish Brown×14
Yellow×8
Green×2
[No Color/Any Color]×1
Main parts (most used first)
2780 Technic Pin with Friction Ridges Lengthwise and Center Slots
Black · ×175
6558 Technic Pin Long with Friction Ridges Lengthwise, 2 Center Slots
Blue · ×82
43093 Technic Axle Pin with Friction Ridges Lengthwise
Blue · ×60
3673 Technic Pin without Friction Ridges Lengthwise
Light Bluish Gray · ×18
65487 Technic Pin Connector Hub with 1 Pin with Friction Ridges Lengthwise [Centered Friction Ridge]
White · ×18
11214 Technic Axle Pin 3L with Friction Ridges Lengthwise and 1L Axle
Dark Bluish Gray · ×14
40490 Technic Beam 1 x 9 Thick
Dark Turquoise · ×14
24316 Technic Axle 3 with Stop
Reddish Brown · ×12
32054 Technic Pin Long with Friction Ridges Lengthwise and Stop Bush [3 Lateral Holes, Big Pin Hole]
Light Bluish Gray · ×12
32526 Technic Beam 3 x 5 L-Shape Thick
Black · ×12
65489 Technic Pin Connector Hub Perpendicular 3L with 4 Pins (Squared Holes)
Light Bluish Gray · ×12
32524 Technic Beam 1 x 7 Thick
Black · ×11
18654 Technic Pin Connector Round 1L [Beam]
Dark Turquoise · ×10
18654 Technic Pin Connector Round 1L [Beam]
White · ×10
32062 Technic Axle 2 Notched
Red · ×10
32123b Technic Bush 1/2 Smooth with Axle Hole Semi-Reduced
Light Bluish Gray · ×10
32523 Technic Beam 1 x 3 Thick
Black · ×10
3713 Technic Bush
Light Bluish Gray · ×10
4274 Technic Pin 1/2
Light Bluish Gray · ×10
32316 Technic Beam 1 x 5 Thick
Dark Turquoise · ×9
32348 Technic Beam 1 x 7 Bent (4 - 4) Thick
Black · ×9
39793 Technic Connector Beam 3 x 3
Dark Turquoise · ×9
4519 Technic Axle 3
Light Bluish Gray · ×9
25214 Brick Round 1 x 1 diameter Tube with 90 Degree Elbow (2 x 2 x 1) and Axle Holes (Crossholes) at each end
Black · ×8

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