Fwend.com Tangram - Interactive Java applet with more than 150 puzzles. Puzzles are offered at three difficulty levels and include solutions. - http://www.fwend.com/tangram.htm
Tangram Man - Online Chinese puzzle game includes a categorized collection of tangram figures that can be solved online. Also offers function to create a new figure. - http://reijnhoudt.nl/tangram/man.php
The Mysterious Tangram Game - The Chinese called this centuries-old game the "Seven-Board of Cunning". Adjust 7 geometric shapes to fit into one big shape. - http://www.kidscom.com/orakc/Games/Tangram/index.shtml