| | 81500-3 | Wall Mount for 81500 | x |
| | 81500-4 | Side Strut Hammock Right | x |
| | 81500-5 | Side Strut Hammock Left | x |
| | 81500-6 | Round Stick for Hammock | x |
| | 81501-1 | Cushion Set for 81501 | x |
| | 81501-2 | Screw Set for Cat Tree | x |
| | 81524 | Spare Column 40cm, Ø 10 cm, | x |
| | 81525 | Spare Column 30cm, Ø 10 cm, | x |
| | 81526 | Spare Column 27cm, Ø 10 cm, | x |
| | 81527 | Spare Column 10cm, Ø 10 cm, | x |