How does a boat work? When did you start building boats? When did the first trains come? Mulle Meck talks about all this and much more in the second film about Mulle Meck, for children who want to know a little more.
Overview：How does a boat work? When did you start building boats? When did the first trains come? Mulle Meck talks about all this and much more in the second film about Mulle Meck, for children who want to know a little more.
