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Rangolee

Rangolee is an ancient art of floor decoration that originated in India. Sona is a similar art form found in Africa. These decorations often incorporate symmetry and geometry.

Rangolee - A step by step learning & coloring book
$19.95
This book serves as an introduction to this ancient art. The purpose of the book is to teach unique designs from a different culture, teach about symmetry and patterns, and to identfy commonality among cultures across the world. The book describes the construction of a variety of Rangolee designs using grids of dots, as well as the meaning and cultural significance of the designs. By Madhuri Bapat. 8-1/2" x 11", 69 pages, published in 2007, revised in 2010.

African Sona Designs
$14.95
In this book Sona designs from Angola, Africa are taught step by step. Mathematically, these designs are classified as Eulerian graphs. Children learn the designs as well as the stories attached to them. Designs are drawn by first drawing dot matrix and then a continuous line is drawn around the dots. Ages 8 and up. By Madhuri Bapat. 8-1/2" x 11", 51 pages, published in 2010.