Now I Know! builds on children s natural curiosity, in an exciting learning environment centred around big questions. Each new challenge takes learners through a staged process of inquiry, supported by varied real-world content from BBC video. New language, new knowledge and new skills are learnt through exciting real-world tasks bringing measurable results at every stage.Now I Know! builds on children s natural curiosity, in an exciting learning environment centred around big questions. Each new challenge takes learners through a staged process of inquiry, supported by varied real-world content from BBC video. New language, new knowledge and new skills are learnt through exciting real-world tasks bringing measurable results at every stage.Now I Know! builds on children s natural curiosity, in an exciting learning environment centred around big questions. Each new challenge takes learners through a staged process of inquiry, supported by varied real-world content from BBC video.