300 piece jigsaw puzzle. Viewing the new acquisition, 'Over the River to Grandma's House,' brings us nostalgia and excitement for what is to come. Fresh and cool, fun and bright, please enjoy putting together this whimsical Grandma Moses puzzle and commemorate Past and Present Celebrating New Acquisitions and Collection Highlights with WAM! Copyright Grandma Moses Properties Co. New York. An authorized Grandma Moses Product.