Guest: Toronto Star reporter Abby O'Brien

A bike ride to the local pool. A perfect dive off the board. A backyard trampoline showdown with the kids next door. Childhood can be full of fun but also dangers.

Parents often think about the obvious dangers, like unsupervised swimming or biking without a helmet. But some of the biggest hazards may surprise you.

We spoke with Toronto's top pediatric emergency doctors about the activities they would never let their own kids do and why. From bouncy castles to shopping carts, they've seen it all in the ER.

So if you to keep your kids safe this summer, start here.