Total materials required: 23 Logs, 23 Stone, 10 Copper and 3 Meat.
Crafting will be done from the crafting tab of the character screen.
First you'll want to collect 3 Logs and 3 Stone by punching rocks/trees to craft a Wooden Axe and Stone Pickaxe.
Then you'll collect 10 Logs and 10 Stone to craft the Altar of Civilization.
And finally collect 10 Logs, 10 Stone, 10 Copper and 3 Meat (Raw or Cooked) and interact with the Altar of Civilization and advance to the Agricultural Age.
Agricultural Age.