PUZZLES AND COMPUTATIONAL THINKING Free unplugged Resources from the resource Hub from CAS London.
How to programme your Parent. (Unplugged Activity) from Makers Box.
Here is an outline and video of what computational thinking is from Robomind
For Younger Children
From the Kids Under 7 site how about these pattern recognition unplugged worksheets?
Also these spot the difference and pattern recognition from www.worksheetfun