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Current Challenges
2019 Challenge Winners
See all the winning projects
2019 | Week 10: Mystery Box
Winners
Week 9
2019 | Week 9: Rube Goldberg Machine
Audience Choice
Editor's Choice
Week 8
2019 | Week 8: Build a Boat
Audience Choice
Editor's Choice
Week 7
2019 | Week 7: Solar Oven
Audience Choice
Editor's Choice
Week 6
2019 | Week 6: Bionic Arm
Audience Choice
Editor's Choice
Week 5
2019 | Week 5: Marble Run
Audience Choice
Editor's Choice
Week 4
2019 | Week 4: Build a Catapult
Audience Choice
Editor's Choice
Week 3
2019 | Week 3: The Balloon Powered Car
Audience Choice
Editor's Choice
Week 2
2019 | Week 2: The Marshmallow Bridge
Audience Choice
Editor's Choice
Week 1
2019 | Week 1: The Egg Drop
Audience Choice
Editor's Choice
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