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PBS
Pbs Kids: Design Squad Challenge: High Rise (Pdf) [Pdf]
Hands-on challenge to build a tall tower that can support a tennis ball. Provides full list of materials with ideas on how to build, test, and redesign it if necessary, or take it to the next level. Activity focuses on the engineering...
Other
American Society for Engineering Education: Building for Hurricanes
In this engineering design challenge about building in hurricane-prone regions, students learn that a solid base helps stabilize a structure by constructing, testing, and redesigning a tower that can support a tennis ball at least 18...