Does your kitty love to find a place to hide and peep out at you? Most kitties do. Now there is a great product to build your kitty his own castle to fit in the space you have available. It’s called Catty Stacks and they are industrial strength collapsible boxes made of corrugated- cardboard. They clip together in any formation you choose, and come in a variety of colors. Your kitty will love them and he will love you for making him a fun place to play!