Cut & Assemble Icosahedra an acrylic pyramid

an acrylic pyramid

and more — about 50 British classics from yesterday and today

Hobbes's articulation of this long-contemplated philosophy of political and natural science was finally published in 1651

Reprint of Ships of the Past

American presidents

Cut & Assemble Icosahedra an acrylic pyramidWhen studying solid geometry, there is no substitute for holding a model in your hands, and this fun but challenging book offers that very opportunity. Twelve cut and assemble models of icosahedra offer children and professional mathematicians alike a tangible way to appreciate the structure and intrinsic beauty of polyhedra. The models range in difficulty from simple to complex. Some feature colors that reveal their relationships, and all five