Mars Moose Stay and Play 3 - In Lonnie's Classroom is an online retro game which you can play for free here at playretrogames.com It has the tags: skill, learning, and was added on Feb 13, 2015. It has been played 1424 times and is available for the following systems: prgsp / prgsp / Sony PlayStation You can also play Mars Moose Stay and Play 3 - In Lonnie's Classroom unblocked.