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

Sponge catapult

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 Hello! It's Malina and Marusia again. Have you ever thougt that robot could be an artist? We thougt it could be fun to make a catapult which can create an abstract picture.

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 That's our robot.

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We'll explain you how we made robot and how it works.
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 Robot with his paint palette

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 The paint palette. We used color cards to let the robot know which sponge he should shoot.

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That's how the robot made his first picture.

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 First picture.

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And his second try.

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 Second picture.

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 Malina and Marusia have already been voted a fan favorite this cycle (December 2015), so they are not eligible to win this month. However, they would love to get comments on their clever paint thrower!

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