Involvement:Expert (understands the inner workings) - Ownership:more than 1 month Pros:Absolute an eye catcher. Will be the main event in a party no mather whatever trix your dog or cat can do. You'll also feel a sense of achievement when you have finished it. Everyone in your family will love it once it works, and you for building it. Cons:- Th... Read more

Involvement:General (knows how to use it) - Ownership:1 week to 1 month Pros:So nice to look at. Almost as nice as an aquarium. Cons:- The manual is hard to understand, lots of bad translations, good thing they have great pictures. - Poor quality plastic pieces, some breaks while mounting. - Some pieces don't fit, you have to mod some yourself.... Read more

Involvement:General (knows how to use it) - Ownership:1 week to 1 month Pros:* It is a nice eyecatcher * I enjoyed myself building it * Everything necessary was included in the package * It is challenging to make it work * They give enough rail. (I made some mistakes and I still had rail left when the spacerail was finished. Cons:* some mechanis... Read more