SeaTrek.TV lessons are live, two-way, interactive video connections between your school or organization and our laboratory in Florida. We can see and hear your learners and they can see and hear us. Lessons are available in25and50minute lengths for grades K-12+. Check ourLESSON GUIDEfor details on standards, length, price and resources. A calendar of available dates appears when you click the Book button. Still have questions? Talk to our curriculum experts and ask for a preview.