You will also not see these tools if you are in the code window of the form or control. If you flick back to the form design layout window - using the tabs above the windows - you are working on you will see the tools being repopulated. You can see the toolbox frame on the left but no tools on it because we are in the code window of the form, but the next shot shows that we are back in the design window for the form and the tools are repopulated:
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No tools in box because we are in the code window:
Tools now repopulated because we are back in the design window for the form: