LEGO Technic 42221 NASA Artemis SLS rocket building set
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Choose countryLEGO Technic NASA Artemis SLS (42221) is a heavy lift rocket building set for ages 9 and above. The 70 cm-tall model features a moving mechanism that demonstrates how rocket stages separate after launch.
Explore stage separation
Turn the crank to simulate the separation of the rocket’s three stages. Developed in collaboration with NASA and ESA, the model combines Space Launch System details with working mechanical functions.
- Display details: blue flame elements and 4 astronaut nanofigures.
- Mission information: an information board accompanies the model.
- Digital building support: the LEGO Builder app provides digital instructions, 3D model rotation and progress saving.
The set contains 632 pieces. The finished model measures 16 × 8 × 70 cm (length × width × height).
Warning! Not suitable for children under 3 years. Choking hazard due to small parts.
| Number of parts | 632 |
|---|---|
| Rare set | No |
| Recommended age | 9 years and above |
| Series | Technic |
| Model | 42221 |
| Rocket represented | NASA Artemis Space Launch System (SLS) |
| Stage separation mechanism | Rotating crank simulates separation of the three rocket stages |
| Development partners | NASA and ESA |
| Astronaut nanofigures | 4 |
| Display elements | Blue flame elements and an information board with mission facts |
| Digital building support | LEGO Builder: digital instructions, 3D views and progress saving |
| Model dimensions (L × W × H) | 16 × 8 × 70 cm |
| Safety warning | Not suitable for children under 3 years. Choking hazard due to small parts. |
| EAN | 5702018067499 |
|---|
How does the rocket stage separation work?
Turning the crank simulates the separation of the rocket’s three stages after launch.
Are digital building instructions available?
Yes. The LEGO Builder app provides digital building instructions, 3D model rotation and the option to save building progress.
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