The program Tangram-7 offers you the following possibilities: * Play to more than 1000 puzzles; * Create your own puzzles; * Choose type of background: solid color or pattern image (7 types are included); * Choose type of pieces: solid color or «skin» (7 types are included); * Change scale of window, position of store of pieces, color of ink; * Show shadow of moving piece; * Print a game for make a puzzle on paper.