Did you miss one of our challenges? Go back and try them all! 2024 Week 1: Build a Bridge Week 2: Solve the Mystery Week 3: Design a Snack Machine Week 4: Get the Chore Done! Week 5: Recycled Decoration Week 6: Mystery Box Arcade Game Week 7: Create a Building Week 8: Rube Goldberg Machine 2023 Week 1: Make it Fly Week 2: Marble Run Week 3: Invent a Game Week 4: Clean the Environment Week 5: Protect the Pringle Week 6: Mystery Box Week 7: Build a Self-Propelled Car Week 8: Rube Goldberg Machine 2022 Week 1: Egg Drop Landing Pad Week 2: Humane Trap Week 3: Homemade Instrument Week 4: Launch a Rocket Week 5: Build a House Week 6: Mystery Box Week 7: Lazy Bot Week 8: Rube Goldberg 2021 Week 1: Roller Coaster Week 2: Paper Airplane Week 3: Water Cleaning Device Week 4: Make a Robot Week 5: Harness the Wind Week 6: Trash Picker Upper Week 7: Mystery Box Week 8: Rube Goldberg 2020 Week 1: Paper Ball Launcher Week 2: Parachute Week 3: Paper Structure Week 4: Working Boat Week 5: Mystery Box Week 6: Object Mover Week 7: Bucket Tower Week 8: Rube Goldberg 2019 Week 1: Egg Drop Week 2: Marshmallow Bridge Week 3: Build a Balloon-Powered Car Week 4: Build a Catapult Week 5: Marble Run Week 6: Bionic Arm Week 7: Solar Oven Week 8: Build a Boat Week 9: Rube Goldberg Week 10: Mystery Box
