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. - learn about it / talk about it / deal with it At parents can find all the advice they will need to keep their children safe online. Designed specifically for parents, the site offers a wealth of up-to-date, unbiased information and advice about how to deal with online safety. Parents can learn about the latest issues and technologies, get great tips on how to talk about online safety with their children and get the best advice on dealing with issues and taking action. Created with experts, Internet Matters provides detailed information, but also signposts to best-in-class resources from individual expert organisations. Our goal is to ensure parents can always access the information that they need, in a format that is clear and concise.