The Main toolbar is used to run programs, erase the screen, and hide the palettes and blocks.
Run the blocks in normal speed.
When long pressed the run button: Run the blocks slowly
When extra long pressed the run button: Run the music slowly
|Run the blocks slowly. When running slowly, the values of parameter boxes are shown as an additional debugging aid.|
|Run the blocks step by step (one block is executed per turtle per click).|
|Stop running the current project.|
|Clear the screen and return the turtles to their initial positions in the center of the screen.|
|Hide or show the block palettes.|
|Expand or collapse stacks of blocks (start and action stacks).|
|Re-arrange the blocks workspace - relative to the top left corner of the workspace.
When home pressed the button changes to: after re-arranging the workspace
|Show the help messages.|