Froebel’s Gifts

And in changing course, Froebel arguably ended up having more influence on the world of architecture and design than any single architect — all because Friedrich Froebel created kindergarten. The Gift of Observation

Images via Inventing Kindergarten and Architecture in Play
Froebel’s Gifts were meant to be given in a particular order, growing more complex over time and teaching different lessons about shape, structure and perception along the way. Wright’s mom actually took classes in kindergarten education and Wright recalled that she brought him a set of Froebel’s Gifts at a young age.

Source: 99percentinvisible.org