On January 24, 2006, about 1100 eastern standard time, a Cessna 152, N89723, registered to and operated by Palm Beach Flight Training, as a Title 14 CFR Part 91 instructional flight, exited the runway and nosed over while a student pilot was making a landing at Palm Beach County Park, Lantana, Florida. Visual meteorological conditions prevailed, and no flight plan was filed. The student pilot was not injured, and the airplane incurred substantial damage. The flight originated in Lantana, the same day, about 1045. The student pilot stated that she was conducting a solo flight, and had completed 2 landings. During the third landing she said the airplane bounced, and as she tried the apply back pressure to the yoke to recover, the airplane bounced again, harder a second time, and a third time as well. On the third bounce she said that the nose-wheel collapsed, and the airplane veered left into the sand, and flipped over onto its back, coming to a halt.