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.
These monster finger puppets are too adorable to be real! Make these severed fingers from a yeti, ogre, and a sea monster while teaching the kids basic crafting skills like simple sewing. Frightfully friendly for ages