Man I think I still have the drill bit somewhere but I ordered the whole kit to make my own it was so fun.
Also I learned something, if you use a big vodka bottle , its gonna be ass LOL. Vodka is a 100 percent a no go.
A1 Bottles work nice, If you ever seen the rice vinegar glass bottle that works really well, I made a few out of old school coke bottles and it was alright. etc.