A full set of pentominoes. Each square in the pentomino shape is 1/2" x 1/2" in size and 1/8" thick.
A pentomino is defined as a plane shape formed by five equal sized squares. A total of 12 dominoes (shapes) fit this definition and were originally defined by Solomon Wolf Golomb in the 1950s.
Great for use mathematics based puzzles and games, homeschooling, or other school settings.
Made in the USA.
Standard shape names from Professor Golomb:
See our other learning aid listings for base 10 counters, basic shapes, and other resources.