3/4 Oil, 1/4 water, and a few drops of food colouring in a bottle. Shake and be mesmerised! Durable so it keeps on giving. I had to use the ‘expensive’ imported sunflower oil, though, because the Tanzanian stuff is often brown and a bit murky.
Tamie Davis is an Aussie living in Tanzania, writing at meetjesusatuni.com.