Excel Drawing Toolbar and Select Objects
Drawing Toolbar in Excel 2013-2021, Office 365
In Excel 2013-2021, Office 365, the drawing tools can be found in Insert > Shapes:
Select Objects in Excel 2013-2021, Office 365
The one thing that's really hard to find, however, is the arrow to select multiple objects. To find it, click on the Home tab, then Find & Select, and Select Objects:
This will allow you to select, copy and paste multiple objects at one time.