Umaibo sticks are the perfect crunchy snack and come in a huge variety of flavors. Umaibo or "delicious stick" in Japanese is a puffed corn snack available in many flavors. These snacks are incredibly inexpensive and tasty. Umaibos are a great everyday go-to snack, especially for children. These usually come in a large pack and sometimes in a variety pack to share with friends and family. This famous cylindrical snack that's been loved by Japanese people for decades.