Tar Pit.
Design Drawings from HMS Associates,

Artist; B. Brown
Date   6/11/71
If you can contribute additional
information or pictures for any of these,
please
let me know!
1972 Box Art
The images below show design ideas,
indicating how the Tar Pit could have
interacted with other scenes.

They also show what other thoughts were
being considered before the design was
finally settled on.
Model Pattern sculpted by By Mayers
Design B. Brown
The image above is of the water
colour painting used for the  
instruction sheet.