The walker squeezes between giant geometric blocks of Pocono sandstone.

Large bright blue and red geometric blocks, resembling video game patterns, are suspended from the ceiling.

A couple of neon colored geometric blocks placed at the back of the stage serves as the only background for the game.

Froebel also used "gifts," which were objects to handle, such as geometric wooden blocks or balls and used in self-directed free play.

The buildings are represented as simple geometric blocks with intense contrast between the sunlit facades and heavily shaded sides.

On New Year's Eve, I was wearing an H&M jumper (we call it sweater) that is long, geometric blocks on front: gray, white and black.

The signs of battle can elude the untutored eye: an activity sheet here; a table of beans, buttons, geometric blocks and other math manipulatives there.

These works of geometric blocks in an intense palette of yellows, oranges, reds and blues are like his sculptures from that period.

Each sculpture - titled "Criss Cross" and numbered 1 to 3 - consists of a geometric block installed slightly off-kilter on top of another, slightly smaller one.

And between Frank Lloyd Wright's Robie House of 1906 and a 19th-century textbook house made of Froebel's geometric blocks.