Engineering a marshmallow launch

Fifth grader Caleb Zwiefel, center, prepares to launch a marshmallow as his classmates, from left, Brandon Klonne, Sophie Ekness and Danielle Solheid celebrate his scoring with his previous shot. The five, students of Lisa Wiener, at Raven Stream Elementary School were among students testing marshmallow launchers on Wednesday, Nov. 21. The fifth graders made the devices for a unit on engineering. To see more photos go to and click on the blue button. Patrick Fisher Photo

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