While bikes with training wheels teach kids to pedal ... The authors of both studies declared no conflict of interest.

And yet, the determined engineers behind the YouTube channel The Q (no, not that Q) managed to build a bicycle with square wheels that rolls as comfortably as a bike with round ones. Vehicles with ...

Balance bikes offer the chance to explore many behaviors that training wheels don’t, such as pushing with both feet, one foot, and gliding without pedaling, she said. The variety of movements ...