在空白地图上画出山东所有县级行政区Counties in Shandong with an empty map

Name all 50 states in the USA. Easy, right?

Try to name the most-populous American cities whose names are 5 letters long or fewer.

With the help of a map, can you name the countries which existed during the Revolution of 1848?

Drag the flag onto the correct country. Careful, though! One wrong move and the game ends.