Dang, I've dyed my hair like twice.
Ugh, bad cosplay memories XD
But it was kinda fun cosplaying Gaara from Naruto
(if you dont know just look him up. He's pretty tough to cosplay)
Anyways I'll open my gates
To get it to a checker design I'm pretty sure you'd need a cake bought between 9/8 and 9/12, seeing as those were the few days the ice creams were released I think?