OE300530G has all the pieces glued together. Must fill through the large hole to stuff treats.
OE300530N is NOT completely glued together. Bolts are secured to keep the frame intact.
This clear polycarbonate puzzle feeder designed for primate enrichment has 40 small finger holes to release food at one of 5 larger access holes . Includes stainless steel hardware for mounting on top of cage 12″ x 10″ x 1 5/8″