Complex sentence: As of July 2011, Quisp was back in Target with an offer of three free toys with purchase of 3 Quisp boxes each and as of Sept.2012 it could be found in at least some Stop & Shop stores.
Split into simpler sentences: As of July 2011, Quisp was back in Target with an offer of three free toys with purchase of 3 Quisp boxes each. And as of Sept.2012 it could be found in at least some Stop & Shop stores.