Translation of "Sledges" in Spanish

Who figured out how to get the cannon through  the mountain passes using man-hauled sledges.

quien descubrió cómo hacer que el cañón atravesara los pasos de montaña utilizando trineos tirados por hombres.

- Plenty of snow had fallen overnight. The following morning, grandmothers and their grandchildren on sledges appeared in the streets, and in the afternoon, after school, snowball fights broke out in the park.
- Plenty of snow had fallen overnight. In the streets the next morning, grandmothers appeared with their grandchildren on sledges, and in the park that afternoon, after school, snowball fights broke out.

Por la noche cayó una considerable capa de nieve. A la mañana siguiente aparecieron por las calles abuelas con nietos montados en trineos, y al mediodía, después de clase, estallaron en el parque las peleas de bolas de nieve.