They are not getting bigger. (The image is Copyright A. Kitaoka)

They are not rotating. (The image is Copyright A. Kitaoka)

They are not rotating. (The image is Copyright A. Kitaoka)

They are not rotating. (The image is Copyright A. Kitaoka)

They are not rotating. (The image is Copyright A.Kitaoka)

They are not rotating. (The image is Copyright A.Kitaoka)

They are not spiralling cirles. (The image is Copyright A. Kitaoka)

They are the same size.

They are the same size.

They don't get bigger. (The image is Copyright A. Kitaoka)

They look like they are about to roll down. (The image is Copyright A. Kitaoka)

They will never get together.

This structure pushes the limits of your imagination.

Those who study technical drawing may find this difficult.

Three dimensional gymnastics.

Three faces.

Three men have the same height.

Three rods have equal length.

Three small squares are the same colour. (The image is Copyright R.Beau Lotto)

Three-dimensional walls