| 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 | |
| 81501-2 | 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 | |
| | 81541-1 | Cushion Set for 81541 | x |