2022-2023 Cannon Scientist Expo Challenge Cannon Skyscraper Math Challenge 2021-2022 October January 2020-2021 September October December February 2019-2020 September / September Video October / October Video November/December January / January Video February March/April 2018-2019 September November/December January February 2017-2018
September
October
November/December
January Crazy Catapult Challenge Design Plan
February Invention Design Plan