Comments: I bought this for my aging gerbil she just turned two,, It arived before I expected it and It was all and more than I had hoped for. I had a blast putting it together. It was a bit tough however but with a few pounds on my hard tile floor I got the job done! I put it in the gerbils cage and within literallly two minutes she began tearing into it like a child would devour a candy bar! It has been four days and she has nearly chewed two of the planks of wood to bits!! I would have liked to see it last a bit longer but the whole idea IS for her to chew it so I guess it has exceeded my expectations. Looks like I will be buying more in a few weeks . :)

Comments: my chins love this in their activity set. i bought the large set but there arent a lot of functional ways to build it unless you purchase multiple sets. my nephew loved putting it togther though. the chins unfortunately wont chew this wood though they dont seem to like it.