As a STEM and PBL teacher, I strive to find engaging and hands-on connections to topics across the curriculum that can be hard for students to imagine. This design challenge would make an excellent blast-off or culminating activity for a study of the Ohio 4th grade Social Studies standards that connect to the history of the Ohio Erie Canal. Activity could easily be adapted for the study of any canal system under study, bringing relevance to an old standard STEM favorite. Includes teacher guid