When you bike in the dark, you know you're supposed to have a light somewhere so others can see you, but sometimes that added bulk is just too much. There's got
to be a better way! Now, without further adieu, I present to you....
The Flashing Bike Bottle Light!
Not only can you produce flashing red luminosity, but you can actually drink from it
, too! It is powered by two AA batteries that are easily accessible from the side of the bottle. It also has a fully waterproofed LED/switch assembly hidden inside the lid, all while still retaining the ability to be drank from! The part are inexpensive and minimal, so let's get started!