Did you miss one of our challenges? Go back and try them all!
2019 Week 10:
You suspect that someone is sneaking into your room and taking your stuff. Create a trap to catch them in the act using each of our four mystery items.
2019 Week 9:
Build an amazing Rube Goldberg Machine: an unnecessarily complex creation designed to perform a very simple task, usually involving lots of chain reactions.
2019 Week 8:
Build a Boat
Build a boat that floats and can carry cargo without sinking.
2019 Week 7:
Harness the power of the sun and make a solar oven that can toast a marshmallow.
2019 Week 6:
Build an arm extender that allows you to pick up an object without touching it with your hands.
2019 Week 5:
Create a homemade marble run that causes the marble to switch directions at least 5 times.
2019 Week 4:
Build a Catapult
Build a catapult that will launch an object through the air.
2019 Week 3:
Balloon Powered Car
Build a balloon powered car and see how far it can go.
2019 Week 2: Marshmallow Bridge
Build a bridge with the longest unsupported span using nothing but toothpicks and marshmallows.
2019 Week 1:
The Egg Drop
Drop an egg from as high as possible without breaking it.