I think "pawing" is a fine description of the action. I also like "slushing". :) I make Lego (murals?, mandalas?, dioramas?) art and I am sure when I lived in

I think "pawing" is a fine description of the action. I also like "slushing". :) I make Lego (murals?, mandalas?, dioramas?) art and I am sure when I lived in my studio apartment my slushing around in my mess of parts was a joy to my neighbor on the other side of the wall...