The units are comprised of 27 spheres. Held together by hot glue, the units can connect to each other by the Velcro fasteners at the corners.  Photo 2 of 9 in Architecture Remix

Architecture Remix

2 of 9

The units are comprised of 27 spheres. Held together by hot glue, the units can connect to each other by Velcro fasteners at the corners.