Ariane 5 ECA JWST
Can be build completely out of Lego bricks. You will need to cut some hoses to the correct lengths though.
About the MOC
This is a MOC of the Ariane 5 ECA rocket with JWST. The fairing holds a small JWST model. The boosters as well as the upper stage of the rocket can be seperated.
About the rocket
The Ariane 5 ECA rocket is Europes heavy orbital launch vehicle. In 2021 it launches the James Webb Space Telescope.