This is adorable. I love the little touches in their characterizations (Temari "all prickles and glares"! Gaara's wide-eyed staring at the snow! The older sibs' language! Kankurou taking a blanket with him!), as well as the idea of Konoha-nin wanting the Sand sibs to see the snow. D'awwwww.
Re: Winter in Konoha (Naruto; Sand Siblings)