The OSM™ (Object for Spatial Manipulation) is a sculptural toy that turns inside out like an endless 3D kaleidoscope. The OSM’s 6 identical disks snap apart so you can mix them with those of other OSMs to make new color combinations and longer OSM chains. Oh and the name is pronounced like awesome because it’s, er, awesome! The OSM measures approximately 3¾” x 3¾” x 1¾” is fun for adults and children 3 and up relieves stress and occupies idle hands is lead-free, phthalate-free, and BPA-free