The Tangram puzzle is said to have been invented in China, possibly thousands of years ago.  The object is to arrange the seven pieces into various shapes by just looking at the outline of the solution. We have put the Tangram puzzle in a nice iPad application, funny and easy to use! The puzzle comes with 101 shapes, long-lasting fun is guaranteed. Select a new shape by random or one-by-one, drag the piece out of the lower bar and place it in the correct position and orientation. You can turn the pieces by double-clic or freehand rotation. In case of doubt, you can activate the guidelines, showing the correct position and orientation of each pieces Enjoy!