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Sweets in a Box

How many different shaped boxes can you design for 36 sweets in one layer? Can you arrange the sweets so that no sweets of the same colour are next to each other in any direction?

Ordering Cards

Age 5 to 11
Challenge Level
You will find this problem much easier if you download and print off the cards.
 
If you would like some blank cards to make your own set you can get them here.