3 - 5 years. Switch careers with a drop of a hat using these four durable hats! These hats are a great addition to any dramatic play center. Use these for props in a lesson about careers and the significance of each represented. Encourage children to act out the jobs of the represented careers. The four hats featured in this set are made of hard plastic and represent an astronaut, firefighter, race car driver, and construction worker. Each hat has unique details inspired by their real counterparts.