Tangram

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

Interactive Tangram
Chinese puzzle game using 7 basic shapes which can be combined into many shapes.
http://itangram.tripod.com/

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

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