Book excerpt: What's the earliest-used tool you can think of? An ax? What about a shovel? Someone had to invent those first tools back in the dawn of human civilization. Gamers use them in the world of Minecraft, too. Many tools helped early people, and help people today, make the principles of physics and engineering work for them. Through learning how to create simple to complex tools in Minecraft, students will get a look at the history of tools while also gaining an essential understanding about the history of human inventiveness.