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Like a Circle in a Spiral

A cheap and simple toy with lots of mathematics. Can you interpret the images that are produced? Can you predict the pattern that will be produced using different wheels?

Making Spirals

Stage: 2 Challenge Level: Challenge Level:3 Challenge Level:3 Challenge Level:3
Follow the instructions very carefully taking one step at a time. It is easy to get in a muddle so it may be helpful to work in pairs so that you check what you are doing each time.