Crafted from locally sourced, sustainably harvested maple hardwood, the Advanced Builder Set of Montgomery Schoolhouse building blocks contains 78 pieces in 17 different shapes. The base block unit is 1" and each dimension of all blocks is a multiple of 1" so blocks can be stacked cleanly and uniformly. Each set comes in a sturdy box for storage. Made in the USA
These natural wooden toy blocks are handcrafted in Vermont out of hard maple .They come with a lifetime guarantee.