Which safety measure is essential for preschool-aged children when riding tricycles?

Using helmets is an essential safety measure for preschool-aged children when riding tricycles. Helmets are specifically designed to protect the head from injury in case of falls or collisions, which are common occurrences in young children who are still developing their coordination and balance. The risk of head injuries can be significant, especially in the event of an accident.

While safety belts, pads for knees and elbows, and training wheels may also contribute to a safer riding experience, they do not provide the same level of protection as a helmet in terms of preventing serious head injuries. Helmets are widely recommended by pediatricians and safety organizations as a fundamental piece of safety equipment for young riders, making them the most critical safety measure for preschoolers on tricycles.