Having already started reviewing the example documentation for python using Jupyter notebooks. The recent post by @chuongmep sparked this idea is linked at the end of this one.
[Youtube - runtime 2:49]
Building on the basic displaying Speckle in an embedded IFrame, the first example notebook uses the IPython widgets as a means to replicating the SpeckleUI 
seen in various guises in the Connectors in its most rudimentary form:
Make selections of Stream, Branch and Commit to source the Embedded Viewer.
I have used Jupyter notebooks for years to explore structured and unstructured BIM data. Now I can add the 3rd dimension. 
