From Synfig Studio :: Documentation
The Toolbox Panel is one of the main SynfigStudio Panel - you can have several Canvas Window open, but only one Toolbox Panel.
Features of the Toolbox:
This category has only the following subcategory.
Pages in category "Toolbox"
The following 2 pages are in this category, out of 2 total.
Media in category "Toolbox"
The following 5 files are in this category, out of 5 total.