(6) Revolutionary Concentration THIS ACTIVITY MAY TAKE A MINUTE TO LOAD. PLEASE BE PATIENT! DO THIS AT LEAST 3 TIMES! Please IGNORE the box in the right corner--> Use the link on the top of the page ^^ . Tools See a list of terms used in these activities. Concentration Activities created by: Maria Casby Allen This activity was created by a Quia Web subscriber. To learn how to make your own, just like this, click here.