Cut and Assemble 3-D Star Shapes
Courier Corporation, 1997年6月30日 - 16 頁
Complete, step-by-step instructions and assembly diagrams for making 3 striking 3-D models of star-shaped icosahedrons — 20-sided figures. Hours of creative entertainment for math, science and puzzle enthusiasts 12 years old and up. The finished models also make marvelous home and classroom decorations. 16 plates printed one side only.
讀者評論 - 撰寫評論