"A la vîbora de la mar." www.CalicoSpanish.com. In this #authres Spanish activity song, students hold hands to create the Serpent of the Sea. Watch out! Part of the serpent will be caught by the fishermen! Calico Spanish is an interactive and immersive program that uses music, conversation and total physical response activities to teach immersion Spanish. It is perfect for students grade K-6, and is designed to support teachers with integrated resources and #actfl aligned lesson plans.