ESAT preparation help - from a Cambridge Natsci undergraduate

I am looking to deliver 1-hour long sessions aimed at A-Level students aged 16-18. They will be focused on enforcing key concepts and strengthening skills through consistent problem solving practice, as I believe this is the main crucial step to achieve highly. I will look to encourage students to talk through their thinking and approach, both to strengthen their own understanding and as a vital skill for anyone preparing for Oxbridge interviews. I have just finished my first year of my undergraduate degree, studying physical natural sciences at Cambridge. I achieved four A* at A-Level, including an award for a top mark nationally in Physics. I have experience mentoring some students in the year below me at school, as well as teaching younger students through the school Physics club that I founded. I remember how stressful and challenging sixth form was, especially for those aiming to be at competitive universities, and I hope to be able to use my experience to help other students going through the same thing now