Here are some tools that can help to support your students during a cardboard challenge in your makerspace.
Cardboard Challenge - STEM Clearinghouse
4 Tips for Working with Cardboard in the STEM Lab or Makerspace — Carly and Adam
Cardboard Creations for Kids: 50 Fun and Inventive Crafts Using Recycled Materials: Ho, Kathryn: 9781645674627: : Books
Cardboard Challenge - STEM Clearinghouse
10 tips for cultivating creativity in your kids
Cardboard Challenge: Introducing New Skills in Authentic Ways
Cardboard Challenge 2016: More Awesome Than Ever
Cardboard Challenges: No Tech/Low Cost Maker Education
How to Make a Cardboard Box Storage System: 4 Steps
Cardboard Challenge - Instructables
Cardboard Challenge Tips Part 1: The Tools - Renovated Learning
Caine's Arcade & The Global Cardboard Challenge: Celebrating Imagination Around the World
Cardboard Challenges: No Tech/Low Cost Maker Education
Cardboard Challenge Tips Part 1: The Tools - Renovated Learning