This tuition registers a family (may be used by any students in your family) for one interactive virtual (online) lab subject for 6th - 12th graders with instructional videos. You will have access to the interactive virtual (online) lab and instructional videos for a 12 month period of your choice. You may increase the quantity ordered to register for more than one virtual lab. Enter notes in the comments section during the checkout process on this page to indicate name(s) of interactive lab(s) and date you'd like to start. The subject options for virtual (online) labs are: 1. Biology 2. Chemistry 3. Physics (conceptual - only basic math).