New Cube Cat Tower Toy House Pet Cardboard Tunnel Block / 5piece Configuration: 5 Cat tower cubes, 3 put over top boards, 5 connecting passage, 20 clips, 5 catballs Cube size: 380 * 380 * 380mm (inner hole 167 * 167) Top board size: Out of 380 * 380mm (inside 380 * 380) Connecting passage size: 167 * 167 * 270mm Catball size: 10 * 10mm