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Age 7 to 14

Challenge Level

- Problem
- Student Solutions

The image below is part of a piece of equipment found in the playground of a London school.

- What do you think it is used for?
- What is the shape of its base?
- How would you describe it to someone over the phone?
- Where was the sun, that created such strong shadows, in relation to the 3D structure?

Try to draw a picture of the whole structure from the information you have.

You might also like to make a model of it and shine a light onto it to reproduce all the shadows.

How many different cuboids can you make when you use four CDs or DVDs? How about using five, then six?