My dad and I built cat stairs
Cat ladder - clearly what I need to encourage the boys out the garden!
Wall Mounted Cat Stairs -- i want a set of these in white with white carpet. my kitty will love them!
Shelves/Cat Climber. What an interesting idea! They're going to try to jump up there anyway.
Cat stair/ladder with vine!
Our very own catification project, made putting together Leroy Merlin's cd shelves to form a staircase http://www.leroymerlin.it/catalogo/mensole/mensola-zig-zag-bea-arancione-56-x-16-cm-34802320-p
Spiral Cat Trees/Stairs - Real Cabinet-Grade Pine, handmade in USA
spiral staircase for cats - brilliant
Set of Three Two Cat Stairs One Cat Bed Cat by PorteSueloGoods
My cats to fat to make it up these stairs! LOL Via http://designed-for-life.tumblr.com/