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

Three Little Pigs – Revenge

The wolf in the three little pigs was always blowing down their houses. Now it's their turn!

Kelren, Yennifer, and Elizabeth worked together to make a fan to blow the evil wolf away. The house is protected by a sensor to see when the wolf is coming: the closer he gets to their house, the faster the fan spins, ultimiately blowing him away. "Then I'll huff, and I'll puff, and I'll aghhhhhhhhhhhhhhhhhhhhhhh".



Triggering the wolf sensor, spinning up the fan
Program used for the house's security system 


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