| LEGO-Modulex-1 | 4 | Unused Modulex parts sold by LEGO | 1963 | Database Sets | 277 |
| M20-2211-100 | 1 | Modulex Box - 100x Slope 1 x 1 | 1963 | Modulex | 100 |
| M20-2211-100 | 2 | Modulex Box - 100x Slope 1 x 1 | 1963 | Modulex | 100 |
| M20-2211-100 | 3 | Modulex Box - 100x Slope 1 x 1 | 1963 | Modulex | 100 |
| M20-2211-100 | 4 | Modulex Box - 100x Slope 1 x 1 | 1963 | Modulex | 100 |
| M20-2211-100 | 5 | Modulex Box - 100x Slope 1 x 1 | 1963 | Modulex | 100 |
| M20-2211-100 | 6 | Modulex Box - 100x Slope 1 x 1 | 1963 | Modulex | 100 |
