In the context of a research project on initial grammar instruction, I have considered the problem of how to visualize aspects of the syntactic structure of sentences for primary and secondary school children. A curious early example, probably predating the currently fashionable syntactic tree diagrams, is Jac. The words of a sentence are represented by boys, girls and animals. They express grammatical relationships by jumping on each other's back or shoulders and assuming various postures.
Sentences thus come out as pyramid-like assemblies of acrobats.
The text is available in Dutch only. Translation into English doesn't make much sense, I think, because Van Ginneken's exuberant style is difficult to capture, and, more importantly, the drawings represent the utterances of a Dutch-speaking boy. Reference Van Ginneken, Jac. Works may be submitted in Portuguese, English, Spanish, or French, but if accepted must be translated into English for publication. Contributors should follow the LSA stylesheet carefully.