LeapFrog Didj Custom Learning Game: High School Musical Join Gabriella, Troy and the rest of the High School Musical crew for lessons in music, math and friendship Teaches: fractions, melody and rhythm, and music forms Look for more Didj games featuring favorite characters like Hannah Montana, Nancy Drew and more Kids can customize the game online with the skills they are studying in school Parents can connect to the LeapFrog Learning Path to see what their child is learning