Blocks are 0.75" or 1.5" thick. They vary in size from 5.5" x 2.75" (arches) down to 1.5" x 1.5" (cubes) with lots of shapes and sizes in between. Safe for all ages (including teething little ones). Arrives in a USA-made drawstring bag ideal for gifting, storage, and travel.
Giving back: We donate to Peace Corps youth development programs for every toy sold.