"Help your child better understand how fractions work with this set of magnetic Fraction Bricks! Fraction Bricks can help teach children fraction concepts such as parts to a whole, equivalents and comparisons. Each brick is rectangular in shape to help children visually understand that fractions can be used to describe part of a length. Each fraction brick is different in length and is color-coded not only to represent the different sizes of fractions but also to be visually engaging for children. Fraction Bricks can be used on any magnetic surface. Contains 78 pieces. Ages 5+"