Kuriyama Beika is the company behind the famous Bakauke brand rice crackers. Here, you can try your hand at hand-roasting your own aromatic senbei. Senbei is a type of cracker made using grain flour.Decorate a giant, 25 cm-wide senbei using soy sauce, then roast it and let it dry. Your handmade senbei will be the only one of its kind in the world. You can put your senbei in a special box to take home.