Footage shows a teacher demonstrating the 'Elephant toothpaste' experiment to his students. The instructor used a hydrogen peroxide solution and poured the substance into a small beaker containing ...

Take 52 litres of hydrogen peroxide, 10 litres of potassium iodide and a few bottles of dish soap and you create — unofficially — the world's largest elephant toothpaste. Elephant toothpaste is a ...