Crochet Halloween hats. Crochet Pattern PDF. Mini Witch hat, Candy corn hat, Pumpkin hat. A very quick and easy project! Suitable for amigurumi toys, as Halloween ornament, party decoration, doll accessories. Size approx. Witch – 2 1/5” (5,5 cm.), Candy 2 1/3” (6 cm.), Pumpkin 2” (5 cm.) in diameter.