Nothing was wrong. She'd figured out how to jump up and balance on the railing all by herself, and was so pleased with herself, she wanted everyone in the house to know and come admire her mad skills.
It wasn't long before Mika joined her. I didn't have my camera on me that first time this happened, but it's become a regular occurrence in the house now.
Sorry girls, not quite enough room to go around.
Mochi hopped down and let Mika have a go.
Back to the tower!
Good times all around.