The Broad is a Montessori material used in Sensorial learning .
The dimensions are exact.
Using hardwood gives the pieces the necessary weight to allow the chid evaluate the sensory experience of the different pieces.
The Montessori classroom stairs are finished dark to give the pieces uniformity of surface appearance to achieve isolation of difficulty.
This stairs has a clear satin finish which is better at disguising the knocks and dings a stair can get and is easier to revarnished if needed.
Warning: The larger blocks are very heavy. Please use under adult supervision at all times.