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An amazing close-up item that plays big
The yellow
You put a marker through a card box
This is the first book-length study of this fascinating branch of recreational mathematics
Puzzling Obscurities Instant Download An amazing close-up item thatGet those synapses firing with this scorching set filled with over 60 challenges designed to spark your curiosity and ignite your mind! Put your problem solving skills to the test with this eclectic mix of 10 pocket sized puzzles. From the Rings of Fire to the Trapeze, each matchbox contains a different little brainteaser to solve. Once youve mastered them all, see if you can use the wooden sticks to solve the 50 matchstick challenges listed on the