Izzy the Inventor has HAD ENOUGH. Bad Fairy Brenda has turned VERY BAD indeed, and Izzy wants to find a way to make her good. Unfortunately, this involves climbing up a beanstalk to the Land of the Giants, along with her sister and Henry the Unicorn. This journey will put Izzy's science skills to the test - she'll need catapults, light experiments and a pair of giant flying underpants...