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