Finn is a silly kid who wants to become a great hero one day. He might not look too tough, but if there's evil around, he will slay it. That's his deal. Adventure Time with Finn Jake 25cm Plush Finn The Adventurous. Official adventure time product by Jazwares. Made from high quality materials - very cute.Manufacturer Recomended Age: 4 - 15 years. From the Manufacturer Finn is a silly kid who wants to become a great hero one day. He might not look too tough, but if there's evil around, he will slay it. That's his deal.