Oil is so expensive that we have to try our best to cut the mileage. Although hybrid car is a cheap alternative, we still have to pay for it depending on driving mileage. Bike is different. Because the only thing you have to burn is your fat, it is very healthy than any vehicle. What’s more, you can also get many different creative ideas from bikes. This weird one is an example.

It comes with a bubble generator at the back wheel. While you’re driving, the wind goes through the tube to generate bubbles. Imagine that every path you just went by is full of bubbles, it is fairly romantic. The bubbles are generated from the similar position as the tail gas, but give a totally different feeling to pedestrians.