Gross Motor ActivitiesCrossing The Midline Activities. These activities are awesome for summer, but could easily be done year round! April 14, 2023 - by Crossing The Midline Activities. These activities are awesome for summer, but could easily be done year round! Gross Motor Activities Share this:Click to share on Twitter (Opens in new window)Click to share on Facebook (Opens in new window)Like this:Like Loading...