The sfDisplay golf ball case arrives fully assembled and has wall mounts to make it easy to hang on a wall. It measures roughly 16.5 inches by 16.5 inches wide by 3 inches deep and weighs ...

Spinning glass ball rejects light from one direction ... Place your head next to a wall, talk quietly, and your friend on the other side of the cathedral will hear you clearly.

One-thousand black sponge balls move from a big glass ball-reservoir bubble to another via a 150 meter long track of clear plastic tubing. The balls move up to an impressive 4 meters a second.