YCT is the official test administered by the Hanban/Confucius Institute Headquarters to encourage non-native Chinese-speaking primary and middle school students to learn Chinese.
More information http://english.hanban.org/node_8001.htm
Online English Explanation and audio
http://www.yes-chinese.com/card/standard.html?level=YCT-01
http://quizlet.com/31067186/yct-2-flash-cards/
Online English Explanation and audio