Sadly, Dr. E’s WeDo Challenges and Dr. E’s MINDSTORMS Challenges will no longer be posting new challenges. However, both websites will remain up so that you can continue to access the previous challenges and all of the wonderful submissions. Thank you to LEGO Education and to the Center for Engineering Education and Outreach at Tufts University for their years of support (and thank you to LEGO for their amazing robotics platforms). During the six years of WeDo challlenges and five years of MINDSTORMS challenges, we received almost 1000 submissions from around the world. The two websites had a total of 1266 registered users from 57 different countries. We were truly a global community! We have always been inspired and energized by the creativity and innovation shown by the Dr. E's Challenges community; while new challenges won't be posted moving forward, we hope that you continue doing awesome stuff in your homes, clubs, and classrooms and that you continue to share your projects with the world! Collaborating with all of you has been a joy and an inspiration. Thank you, The folks at Dr. E’s

Alligator with sensor to open and shut mouth


 This robot is an alligator with a sensor that causes the mouth to open when there is an object in front of it and closes when another object again comes in front of it. It was built by kids (mostly orphans) at Anbarasi Social Action - a Miracle Foundation home in deep interior Southern India.  This was the result of a collaboration between Science in a Suitcase, Miracle Foundation, and 2 students - Rohit and Sidharth Srinivasan from Westlake High School and Hill Country Middle School, respectively, in Austin Texas. These kids were exposed to computers for the first time in October in a Science in a Suitcase camp . This robot was built at the end of a 2 day robotics camp taught by Rohit and Sidharth using curriculum provided by Science in a Suitcase on the 25th and 26th of December and applying robot design principles and content from Westlake's Robotics program (FRC Team 2468).

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