magnetic poetry, colour coding grammatical role

D: colour code based on grammar.
Of course, English recycles nouns as verbs and so on.
It works better with Esperanto.
It could show prefix versus suffix.
Interrogatives.
Et al.

I looked into the idea of Esp-o magnetic poetry, but production runs must be at least 10,000 units. OMG.
Since their world congress typically only has about 5000 people attend, and mostly likely repeat attenders, I imagine I'd die of old age with boxes of the stuff.
Which says volumes about how popular the language... isn't.