Unit Blocks - Half School Set x 360 Blocks In 20 Shapes

Half school unit block set: 360 building blocks in 20 shapes. Unit Blocks are mathematically modular and are made from solid birch with rounded corners and edges. Supports learning of mathematical concepts such as length, volume, fractions and geometry. Blocks are precise to within 0.25mm. This set is perfect for 8-10 children ages 3-8. Recommended age: 3-8 yrs.