Hardicraft Amigurumi Kit Firetruck Crochet Fire! Fire! The firetruck is a great toy for little firefighter wannabes. The car will be about 16 cm x 12 cm. Package contents: Pattern, 50 grams of red cotton yarn, 25 grams of white cotton yarn, 25 grams of black cotton yarn, 10 grams of blue cotton yarn, and stuffing. The fire truck is crocheted with crochet hook size 2.5 (not included).