How to place "Tool Options" in "Toolbox" window

[rich2005]

Here you are in pictures:

More than one way.

Windows -> Dockable Dialogues -> Tool Options  (1) will add a tab to the right side dock (2) . Then a click-n-drag into the area under the tool box (3)

   

or more extreme 

Edit -> Preferences -> Window Management click on Reset Saved Windows Positions to Default Values. OK that Restart Gimp.