In a bid to be crowned Britain's best young traders, teams from across the country battle it out in a series of tough trading challenges set by Saira Khan. In the first of seven heats, DNA from London take on ARD from Derbyshire. Their challenge is to sell magic tricks to wannabe wizards and witches at Wizard Week. The teams must decide what to buy, negotiate the lowest prices and then sell, sell, sell. But who will make the most money, win the challenge and still be in with a chance of competing in the USA grand final?