This replica cat skeleton is mounted on a base. 18" long, 8" tall and 4" wide. It's rigidly mounted on a stand by 2 support rods and wire loops the hold in place the feet. If you remove the skeleton from the rods and loops then the following joints are articulated - Jaw, where the head connects to the neck, shoulders, elbows, hips, knee, where the tail attaches to the spine. The following joints are not articulated - spine, ankles, toes, tail.