We called this tea Swampwater to keep adults away, but it doesn’t seem to work. Every time they taste it, they drink the whole thing down. Because the natural, tangy sweetness of green rooibos, guava, passionfruit and little candy sprinkles is just too irresistible. Even the murky green colour doesn’t scare them off. Maybe we should explain that it’s full of antioxidants. And caffeine-free. Reverse psychology…