2019 Challenge Winners

See all the winning projects

2019 | Week 10: Mystery Box

Winners

2019 | Week 9: Rube Goldberg Machine

Audience Choice

Editor's Choice

2019 | Week 8: Build a Boat

Audience Choice

Editor's Choice

2019 | Week 7: Solar Oven

Audience Choice

Editor's Choice

2019 | Week 6: Bionic Arm

Audience Choice

Editor's Choice

2019 | Week 5: Marble Run

Audience Choice

Editor's Choice

2019 | Week 4: Build a Catapult

Audience Choice

Editor's Choice

2019 | Week 3: The Balloon Powered Car

Audience Choice

Editor's Choice