What do you need for elephant toothpaste?

Modern toothpaste requires lots of processes to create the perfect mixture (try http://sci-toys.com/ingredients/toothpaste.html).

But for home-made toothpaste, try:

- a mixture of salt and baking soda

In the past, people have also used charcoal from burnt toast and even North Americans used to use sharpened twigs of pleasant flavoured non-toxic trees to scrape their teeth clean.