16 Sets of Plastic Tangram Tangrams Parquetry Math Puzzles 112 Loose Pieces EUC!

Lot of 16 sets of Tangrams, each set is a total of 7 pieces. The ziplock bags each contain a total of 4 sets. There are a total of 112 pieces in all. This is for just the pieces as pictured. Each completed puzzle measures 4” x 4”. I believe these were from Learning Resources. In excellent condition! Ruler picture to show size.