Bicycles are one of the most efficient machines ever invented — a person on a bicycle uses less energy per mile than a person walking or running. The modern chain-driven bicycle was developed in the 1880s, and within a decade cycling had become a worldwide craze. Today there are an estimated 1 billion bicycles in the world — more than twice the number of cars. Wearing a helmet while cycling reduces the risk of head injury by up to 85 percent. The gear system on a bicycle multiplies the rider's pedaling force, allowing them to climb hills or pick up speed on flat ground with less effort.
Coloring ideas: give each child a different helmet and bike color — maybe red for one rider and blue for the other. Color their clothes in fun contrasting shades. Make the park path a warm sandy tan, the grass bright green, and give the flowers yellow, pink, and red petals. The sun in the corner can be golden yellow.
For young cyclists, discuss road safety while coloring: always wear a helmet, look both ways, and signal turns. For a fun activity, kids can draw a dotted line on the path showing their own cycling route around the neighborhood.
