iTangram

The Tangram is the world's oldest and most popular dissection puzzle. It originated in China in the 18th century. It consists of seven shapes cut from a square: 2 large triangles, 1 medium triangle, 2 small triangles, 1 square, and 1 rhombus. A wide variety of silhouettes may be created with these simple shapes. A variety of silhouettes may be selected from the popup button at the bottom of the iTangram window. Select a silhouette to start. You may click your mouse and drag a shape...