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Polydron

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Multilink Cubes

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

Two Dots

Stage: 2 Challenge Level: Challenge Level:1

Josh (Ampthill, UK) explains:

In this you put two dots on each circle directly opposite each other and keep moving in towards the centre of the circle switching on to different lines.

For example:


How else could it be done?