We can't believe how reasonably priced this thing is, the 3Doodler, a pen with a very funky twist. Employing state of the art technology, you sketch with hot, fast-cooling "ink" that is so clever it allows you to bring your drawings off the page as three-dimensional creations. Jewellery, ornaments, fridge magnets, customized smartphone cases or your very own pop-up book, the possibilities are endless.