Waukegan,
IL,
United States
Rockland STEM Acrade
Rockland,
Idaho,
United States
Hawthorne SOARing Cardboard Challenge
BOISE,
ID,
United States
Cardboard STEM
Orofino,
ID,
United States
AHP Matthew Cardboard Challenge
Surrey,
BC,
Canada
Creekside’s Global Cardboard Challenge
Surrey,
British Columbia,
Canada
Chesterbrook Academy
West Chester,
PA,
United States
Chapel Downs Cardboard Challenge
Auckland,
Auckland,
New Zealand
Grade 4 Jordan Cardboard Challenge
Truro,
Nova Scotia,
Canada
Eagles Challenge
Athol,
Idaho,
United States
