Scribble Maps is free online tool that allows you to draw and write on Google Maps. You can draw, label, or add placemarks to the maps. Most of the tools available on Google Maps are available on Scribble Maps including zoom and the search tool. After you create your map, you can save the file, email it to another person, or embed it into your webpage.
This tool is great for geography or social studies lessons. Students can put placemarks and write a description of important places. They could also draw the routes that explorers took.