45 minute simulation, expandable to much longer if desiredGreat for final review of the U.S. Constitution. Students have been hearing about it and examining charts about the government... now they get to "be" the three branches. They pass, sign, veto, and review just like the real government is supposed to do.Students love the kinesthetic and social aspects of bringing government to life!Balance of power, legislature, executive, judiciary, legislative, checks and balances, congress, house of re