Mind-blowing discovery. This pebble is known as: **"The Lake Turkana Pebble"** or **"The Oldest Known Tool"** Found in: - Lake Turkana, Kenya - Estimated age: **3.3 million years old** (even older than initial thought - 3 million!) - Made from: Volcanic rock - Shape: Rounded, with signs of deliberate chipping and polishing Scientists believe early humans (possibly Australopithecus afarensis) used this pebble for: - Cutting - Scraping - Hammering Would you like to know more about early human tool