A collection of mental math challenges. It demonstrates how to perform and create instant calculations, mind reading, vanishing tricks, illusions, card tricks, precision measuring without instruments, solitaire pastimes, a floating sphere, a tetraflexagon, and a paper tetrahedron.
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A collection of mental math challenges. It demonstrates how to perform and create instant calculations, mind reading, vanishing tricks, illusions, card tricks, precision measuring without instruments, solitaire pastimes, a floating sphere, a tetraflexagon, and a paper tetrahedron.
Read Less
Add this copy of Mental Math Challenges to cart. $4.52, good condition, Sold by ThriftBooks-Dallas rated 5.0 out of 5 stars, ships from Dallas, TX, UNITED STATES, published 2000 by Tamos Books.
Add this copy of Mental Math Challenges to cart. $4.52, good condition, Sold by ThriftBooks-Baltimore rated 4.0 out of 5 stars, ships from Halethorpe, MD, UNITED STATES, published 2000 by Tamos Books.
Add this copy of Mental Math Challenges to cart. $4.54, very good condition, Sold by HPB Inc. rated 4.0 out of 5 stars, ships from Dallas, TX, UNITED STATES, published 2000 by Sterling.
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Add this copy of Mental Math Challenges to cart. $30.83, good condition, Sold by Bonita rated 4.0 out of 5 stars, ships from Hialeah, FL, UNITED STATES, published 2000 by Sterling.
Add this copy of Mental Math Challenges to cart. $60.18, new condition, Sold by Bonita rated 4.0 out of 5 stars, ships from Hialeah, FL, UNITED STATES, published 2000 by Sterling.
