Paid iPad app: http://itunes.apple.com/us/app/britannica-kids-ancient-rome/id424128583?mt=8&uo=4&at=10l6SU
Paid iPhone app: http://itunes.apple.com/us/app/britannica-kids-ancient-rome/id424128583?mt=8&uo=4&at=10l6SU
Website: http://mapstory.org/
Website: http://www.bbc.co.uk/history/forkids/
Website: http://www.ck12.org/
Free Android Phone app: https://play.google.com/store/apps/details?id=org.ck12.app.practice
Free Android Tablet app: https://play.google.com/store/apps/details?id=org.ck12.app.practice
Google Chrome app: https://chrome.google.com/webstore/detail/ck-12/ilmbnmigihncgeckjgmkehcgkdeohkhl
Free iPad app: https://itunes.apple.com/us/app/ck-12-free-fun-way-to-learn/id909343639?mt=8&at=10l6SU
Free iPhone app: https://itunes.apple.com/us/app/ck-12-free-fun-way-to-learn/id909343639?mt=8&at=10l6SU