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

The Three Little Pigs’ New House

The Three Little Pigs is a well known fairytale. The wolf huffs and puffs and blows down houses. But, what if the wolf is tempted to open the door? The pigs are leaving it unlocked, after all.

That's where the special door knob that Ashley, Sony, Joseph, and Julian built comes in. Hidden under the doorknob is a sensor that detects the wolf trying to open the door. When the wolf comes close to the house the door knob will spin and make the wolf spin faster and faster until he dies. 



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