U.S.A. States and Capitals. Can you name and locate them all ? "US bubbles" helps you to learn: - The States: Name and location of each State - States to Capitals: Name of the Capital, given the State - The Capitals: Name and location of each Capital ... as easy and engaging... ... as popping bubbles !!! Finish the rings quicker and quicker. Save your time records in Game Center leaderboard. - & enjoy the bubbles ;)