Old vintage Kawada Dia Building Blocks Japan 60s 70s Lego Duplo Compatible Retro

Old vintage Kawada Dia Building Blocks Japan 60s 70s Lego Duplo Compatible Retro. Just about 100 pieces total including two “train” blocks, four mini figurine people, two printed eyes and an arch of some kind. Need a light cleaning, only saw one piece with a chip - seen in photo. In played with condition. Please see pictures for details and condition.