Can you visualise whether these nets fold up into 3D shapes? Watch the videos each time to see if you were correct.
The image in this problem is part of a piece of equipment found in the playground of a school. How would you describe it to someone over the phone?
This is the technology section of stemNRICH - Core.
A weekly challenge concerning drawing shapes algorithmically.
Design and test a paper helicopter. What is the best design?