Concentration Grid exercise/app (Apple/iOS and Android) #ConcentrationGrid
@ConcentrationGr #app
#focus
@AppStore #Apple #iOS
appsto.re/us/Et3J_.i
@GooglePlay #Android
If you enjoy testing yourself (and your athletes/students) with the Concentration Grid exercise … visit and try www.concentrationgrid.com and/or the #ConcentrationGrid app (Apple iOS and Android) … and post your best grid times at www.fb.com/ConcentrationGrid and www.twitter.com/ConcentrationGr … good luck!
http://cgridid.com/2016/11/27/concentration-grid-exercise-concentrationgrid
Concentration Grid exercise/app (Apple/iOS and Android) #ConcentrationGrid