The gigantic RolerBall, standing about three metres high, is described as "a spherical cushioned igloo".
The idea is to put it at the top of a slope, strap yourself in, and then roll down the hill in a kerazy giant inflatable novelty stylee. So far, so good.
Inside the centre shell are two harnesses, it comes complete with a powerful pump that will inflate it in about 15 minutes and a puncture repair kit. Really.
Hit the vid above to see this in action, or the link below to pre-order one for £999.
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