Myself and my eldest. Cycling home from church on a quiet road so basically pissing about chasing each other and general horse play. I posed with one foot on cross bar. She was doing similar so I said be careful. I then looked forward to check road....she said don't worry I'm not going to crash, and about 3 seconds later heard the clatter of bike as she crashed. Few grazes but think she's actually enjoyed it as crashing is a bit crazy.