Sewing with your students can be a lot of fun. This sewing monsters / ugly dolls lesson will interest even the boy students in your class. Use this along with writing stories about their "dolls" for the perfect art integration lesson!
A Siren isn't really a sea monster but sailors have told tales of these beautiful women that sing to you and seduce you into their trap of bloodlust. They are said to eat the sailors alive or drowned them deep in the ocean.