SketchUp offers keyboard shortcuts for the tools you use most often as you create models. To select the tool you want, simply press the letter that's indicated in the following table.

Tool Shortcut Key
Line L
Eraser E
Select Spacebar
Move M
Circle C
Arc A
Rectangle R
Push/Pull P
Offset O
Rotate Q
Scale S
Zoom Extents Shift+Z
Paint Bucket B