04/07/2013 12:15 BST | Updated 04/07/2013 13:35 BST

DIY Parking Sensor Is Simple But Effective (VIDEO)

And today's award for ingenuity goes to...

...the Brazilians who came up with this idea. Including the guy making the reversing noise.

Here's hoping they don't try to use balloons for airbags, though.

(Via Daily Picks And Flicks)