You might be asking, why? Why spaghetti popsicles? But let's ask another question: Why the heck not? Actually, no. Let's just stay with why?
Japan is no stranger to unusual ice cream flavors. Even Häagen-Dazs has unique flavors just for the country. And the brand in question (Gari-Gari Kun or, loosely, "Crunchy-Crunchy Boy") is also no stranger to interesting taste sensations.