De or het museumtram?

The correct Dutch article is:

de museumtram

How to use museumtram

the museumtramde museumtram
this museumtramdeze museumtram
that museumtramdie museumtram
our museumtramonze museumtram
your museumtramjouw museumtram
every museumtramelke museumtram
which museumtram?welke museumtram?
a big museumtram / the big museumtrameen grote museumtram, de grote museumtram