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Coloured Squares
Age 5 to 7
Challenge Level 
Use these clues to colour each shape:
- Blue is between green and red
- Orange is below green
- Yellow is to the left of both purple and orange
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Homes
Six new homes are being built! They can be detached, semi-detached or terraced houses. How many different combinations of these can you find?
Stairs
This challenge is to design different step arrangements, which must go along a distance of 6 on the steps and must end up at 6 high.
Train Carriages
Suppose there is a train with 24 carriages which are going to be put together to make up some new trains. Can you find all the ways that this can be done?