Unique parts in 21355-1: The Evolution of STEM
This set inventory has been obtained from LEGO Customer Services replacement parts page. It was retrieved on 28 July 2025 and contains 876 pieces.
Important note: We do not control this inventory and cannot currently make changes to it. Use it as a guide to the contents of the set, or to find out part numbers when requesting replacements.
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| Element | Image | Qty | Colour | Category | Design | Element name | Element in sets |
Element introduced in |
Design in sets |
Design introduced in |
|---|---|---|---|---|---|---|---|---|---|---|
| 6546834 |
|
1 | Black | Minifigure Parts | 76382 | MINI UPPER PART, NO. 7575 | 1 | 2025 | 10117 | 1993 |
| 6544403 |
|
6 | Brick Yellow | Bricks | 6806 | BRICK 2X6X1, INV. ARCH | 1 | 2025 | 13 | 2025 |
| 6544405 |
|
4 | Brick Yellow | Bricks | 6801 | BRICK W/ BOW 1X6X1 | 1 | 2025 | 9 | 2025 |
| 6548959 |
|
5 | Bright Bluish Green | Connectors | 59443 | CROSS AXLE, EXTENSION, 2M | 1 | 2025 | 1853 | 2005 |
| 6468472 |
|
1 | Bright Green | Plates | 106298 | FLAT TILE 1X1, NO. 304 | 1 | 2025 | 1 | 2025 |
| 6531638 |
|
22 | Bright Red | Technic Beams | 7244 | BEAM 2M, W/ CROSS AXLE | 1 | 2025 | 5 | 2025 |
| 6546832 |
|
1 | Reddish Brown | Minifigure Parts | 76382 | MINI UPPER PART, NO. 7574 | 1 | 2025 | 10117 | 1993 |
| 6546844 |
|
1 | Sand Green | Minifigure Parts | 76382 | MINI UPPER PART, NO. 7576 | 1 | 2025 | 10117 | 1993 |
| 6527760 |
|
1 | Transparent | Plates | 111401 | FLAT TILE 1X1, ROUND, NO. 344 | 1 | 2025 | 1 | 2025 |
| 6548957 |
|
2 | Transparent | Animals & Nature | 3565 | LEAF 2X6X1, NO. 1 | 1 | 2025 | 53 | 2023 |
| 6527753 |
|
1 | Umber Brown | Minifigure Parts | 111394 | MINI HEAD, NO. 4570 | 1 | 2025 | 1 | 2025 |