This set of 3 wood dividers contains interlocking pieces that, when joined, create 6 sections for sorting activities. The dividers fit perfectly inside the rim of our Sensory Mood Discovery Table (#75563, sold separately). Or, the self-standing dividers can be used on any flat surface. Children can keep activities contained or use the dividers for sorting activities. For ages 3+. Size: 24.4" dia. x 2"W.