This 3-minute video gives a quick introduction to Maya Pedal, an NGO based in Guatemala that manufactures human-powered bicycle-derived machines (called Bicimáquinas) for various home and community uses such as pumping or blending. This is an inspirational resource and is recommended for teaching.
Science and Engineering
ESS3: Earth and Human Activity
HS-ESS3-4 Evaluate or refine a technological solution that reduces impacts of human activities on natural systems.
ETS1: Engineering Design
3-5-ETS1-1 Define a simple design problem reflecting a need or a want that includes specified criteria for success and constraints on materials, time, or cost.
HS-ETS1-3 Evaluate a solution to a complex real-world problem based on prioritized criteria and trade-offs that account for a range of constraints, including cost, safety, reliability, and aesthetics, as well as possible social, cultural, and environmental impacts.