Tangram rules
Tangram is a dissection puzzle consisting of seven flat shapes, called tans, which are put together to form shapes. It is a traditional Chinese game, just like Mahjong Solitaire.
Objective
The objective of the puzzle is to form a specific shape given only in outline or silhouette using all seven pieces, which may not overlap.
Controls
Drag and drop pieces using the mouse. Click a piece to rotate it. Click New puzzle to change the target shape.