Snowperson 1 is modelling a crochet pigtail hat (sans pigtails) and crochet mittens with a double-garter knit scarf. Snowperson 2 is modelling an oversized adult pixie hat (and commercial scarf/mittens). Snowperson 3 is modelling a crochet witch hat in child size (brim up, point fallen) and knit mittens (with fleece scarf).
Child was too warm to continue wearing winter gear. That's one warm afternoon's work.