i made Popin'Cookin' Tornado Potato making kit"Guruguru Potato";)
we can make long tornado potato with this kit easily.it's not sweet,but french fly, ketchup and consomme flavors.

family channel JSC already made this kit,please check it,too;)
ぐるぐるポテト ポッピンクッキン 知育菓子 DIY Candy Guru Guru Potato
https://youtu.be/kvo6vzxwmgA