chair : a seat typically having four legs and a back for one person

cardboard is the “gateway drug to making”

Happy Chair

Image – “Happy chairs” by Lars Plougmann is licensed with CC BY-SA 2.0

4×4 puzzle

3×3 puzzle (easier)

DIY – Fold and cut an index card to make a chair.

Challenge – Create a cardboard chair following the Engineering Design Process – Ask, Imagine, Plan, Make, Improve

More about chairs …