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Estimate the number of macaroni noodles!
For once, 13 is a lucky number! Make the most of it!
A group game all about speed!
Be in awe of the remarkable beauty of mathematics in nature!
Can you tell bronze from gold?
The pieces of this puzzle are pretty original!
Go to the market to trade pumpkins, eggs, cheese and corn cobs!
Ready, set, take off your shoes!
Time to show your marble collection! Is it unique?