The Buttons Bar has 8 Buttons These Are:
Single Selection Tool:Edit
The Single Selection tools are:
Single Selection Tool
Multiple Selection Tool
Connected Selection Tool
Color Selection Tool
Shape Selection Tool
Color and Shape Selection Tool
The Clone Tool lets you Clone all of the Bricks you Select.
The Hinge Tool lets you Rotate Bricks for example these pictures will show:As you See the Blue Wheel Rotates as i spin the car Wheels.
Hinge Align Tool: For this thing i never tried so if someone can edit this thx :)
Flex Tool lets you Move Ropes,Pipes,Chains Etc shown on this picture:
Paint Tool lets you paint stuff and add decals to parts or minifigures.The Paint Bucket has 4 Buttons these are:
Color Picker Tool
Hide Tool lets yo Hide Stuff if you want to sneak a peek into your completed model.
Said by its name it deletes stuff!
So these are all the Tools in the Buttons Bar