A full set of tetrominoes. Each square in each tetromino shape is 1/2" x 1/2" in size and 1/8" thick.
A tetromino is defined as a plane shape formed by four equal sized squares. A total of 5 dominoes (shapes) fit this definition.
Great for use mathematics based puzzles and games, homeschooling, or other school settings.
Made in the USA.
Standard tetromino shape names:
See our other learning aid listings for base 10 counters, basic shapes, and other resources.