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Polydron

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Multilink Cubes

If you had 36 cubes, what different cuboids could you make?

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Cereal Packets

How can you put five cereal packets together to make different shapes if you must put them face-to-face?

Semaphore Signals

Stage: 2 Challenge Level: Challenge Level:2 Challenge Level:2

How many symbols could you send altogether using semaphore?
If one hand is at the 7 o'clock position, how many other places could the other hand be in?