Mathematics, Magic and Mystery playful When you lift the lower

When you lift the lower ball attached to a cord

Obviously harder than it sounds

Three nearly identical metal spirals are tightly coiled up in a complex array

The jungle tuck case was printed on an antique Heidelberg letterpress to give the colors a vintage "washed" look that compliments the eye-catching graphics inside

Even better is the satisfying click that happens when you snap the three pieces back into place to form their intricate little bundle

Mathematics, Magic and Mystery playful When you lift the lowerPerhaps the most famous book ever written on the fascinating intersection between mathematics and magic. Over 500 tricks are described and illustrated by legendary polymath Martin Gardner. First published in 1956, this wonderful book has inspired generations of mathematicians, puzzle makers and magicians to study the mysteries of the universe.