Van Buren,
AR,
United States
LEAP Cardboard Challenge
EAST AURORA,
NY,
United States
Hilhi’s Cardboard Challenge!
Hillsboro,
OR,
United States
Woodward Park Middle School Cardboard Arcade
Columbus,
Ohio,
United States
LMS STEM Cardboard Challenge
Cortland,
Ohio,
United States
MMS Cardboard Challenge
North Wildwood,
NJ,
United States
Block 2 Cardboard Challenge
Surrey,
British Columbia,
Canada
Cardboard Challenge Fremont
Merced,
CA,
United States
Rebecca Mastro
Kirwan,
Queensland,
Australia
Camp Fire Lights On After-School
Pensacola,
FL,
United States
