Martin Gardners Science Magic: Tricks & Puzzles (Dover Magic Books) MTO The entries in Zip It

The entries in Zip It build upon each other

log cabins and much more

Give kids the ultimate brain workout with the most festive puzzles of all time

Geometry topics include area and perimeter

you’ll soon be creating nature-inspired works of art with ease

Martin Gardners Science Magic: Tricks & Puzzles (Dover Magic Books) MTO The entries in Zip ItThe Master of Mathematical Puzzles collects 89 of his finest magic tricks that will teach both children and adults the scientific principles behind electricity, magnetism, sound, gravity, water, and more. Fun and fascinating, the simple demonstrations involve levitating matches, somersaulting eggshells, spinning pennies, and balancing silverware. Only basic everyday items are needed. Includes 89 black and white illustrations.