40 Challenging (reproducible) Tangram Puzzle Book
The Tangram Puzzles book contains 40 Challenging reproducible tangram puzzle outlines, with solutions, selected from 300 puzzles as the most challenging. Each solution requires seven pieces to be placed in an outline.
Tangrams (30 Tangram Sets)
The tangram sets are made of sturdy non-toxic plastic. Each set contains five triangles, a parallelogram and a square.