All Aboard! Dress up and play the part of a railroad engineer. Boys junior train engineer kit contains a classic striped cotton engineer hat with an adjustable strap on back, red bandana and a 2-chamber authentic train sound wooden whistle. A perfect gift item for your little train lover! A must-have kit for your child on a train museum visit or as part of a Halloween costume. Ideal fit for 16" to 20" head circumference