I'm not sure what should I call でんぐりがえし in English.
My dictionary says, "a forward roll, a somersault".
Bee said, "Mom, I can do a forward roll very well. "
Then she did, but was it a forward roll?
She didn't seem to be rolling because she was just lying.
She tried again.
I didn't see her rolling but she lying and looking away.
After that, she asked me,
"Mom, you think I'm good at gymnastics, don't you?"
"... Sure, honey. You're a good gymnast," I answered.
My original Japanese entry.
Thanks to ArUichigo for correcting my English.