Tangrams: 330 Puzzles (Dover Recreational Math)
Grandfather Tang's Story (Dragonfly Books)
Tangram Puzzles: 466 Tricky Shapes to Confound & Astound
Learning Resources Plastic Pattern Blocks (Set of 250)
Learning Resources MathLink Cube Big Builders, Imaginative Play, Math Skills, Set of 200 Cubes, Ages 5+
Learning Resources Folding Geometric Shapes, Geometry/Math Helper, 16-Piece Set, Ages 7+
hand2mind Plastic, Square, Assorted Color Tiles for Counting (Set of 400)
hand2mind Small Plastic Tangrams, Manipulative Set for Math Puzzles (Set of 4)
Learning Advantage 7716 Giant Magnetic Foam Tangrams, Grade: Kindergarten (Pack of 28)