Hoverboard

By the year 2012 a new ivention are being crate is a very famaous and funny transport. then in 2014 the first hoverboard or Smart balance wheel was sold by the price of 800 pounds. Now new models are being sold in the markert. The price of these small vehicles has decresed. The price of 2014 was 400 pounds but now it cost 100 pounds.