noun🔗ShareCastillos de arenaA sculpture made of sand and resembling a miniature castle; typically, but not always, made for fun by a child on a beach."The children spent the afternoon building impressive sandcastles on the beach, decorating them with seashells. "Los niños pasaron la tarde construyendo impresionantes castillos de arena en la playa, decorándolos con conchas marinas.entertainmentarchitectureartmaterialnatureplaceholidayChat with AIVocabulary GamePractice Reading