Large Star of David made from wrenches on a T- Shirt that Ort School in Jerusalem grants to its remarkable pupils. The wrenches form the Hebrew word for strength in the center of the hexagram.
This blog (by Zeev Barkan) is dedicated to the Star of David, its history, its various meanings and usages in different cultures. It includes thousands of pictures of Star of David, six-pointed stars, hexagrams, Solomon's Seals, Magen Davids and yellow badges,and served as a resource for three books and four art exhibitions.