Boys steered toward building sets and vehicles, for instance, gain early exposure to spatial reasoning that girls in the same household may never receive.

Such uneven access to formative play experiences can compound over time, influencing academic confidence and career aspirations well into adulthood.

Recognizing this gap is therefore the necessary first step toward providing children with a genuinely open range of developmental opportunities.

The assumptions parents make about appropriate toys often shape a child's interests long before the child can express any preference.

Researchers studying Canadian families have found that these patterns persist even among parents who consciously believe they treat their children equally.