My T-Rex

When a mysterious carnival arrives in a small town, three boys discover that a rare miniature dinosaur from the carnival has followed them home.  The boys realize the dinosaur might be stolen, and that it has special abilities.  When they try to hide it, and keep it as a pet a dangerous one-eyed murderer called the Pirate from the carnival comes looking for it.  The brothers, their friend, and their sister must find a way to get the dinosaur safely away from the Pirate before they all are hurt or worse.