Color is custom-made, 1 set contains 4 colors, 4 colors with random.
This link sells a complete set individual accessories. If you need individual accessories, please go to the following link to buy it https://www.aliexpress.com/item/1005003431149042.html




You can use your imagination as much as you like, how to assemble your pet's pipes, the following is just a reference,  to do him according to your idea.


The above is only one assembly case (8 pieces), you can also use more sets to assemble, so that you love your pet training occasions will have more possibilities.


Product Size description
The inner diameter is about 5 c.












There are also single colors below


↑GREEN


↑BLUE

↑RED

↑WHITE


The following are some buyers show pictures:



The external plate (yellow part in the picture) can be purchased in the store https://www.aliexpress.com/item/1005002590015631.html?spm=5261.ProductManageOnline.0.0.1b274edf165Ryh

Tips : economical delivery charge for more than one piece ordered, i.e., the cheaper unit price!