This rope climbing frame is a good way of providing enrichment for your small pet, it is best suited for mice, gerbils, degus and rats, we would advise against using this for hamsters as they are not as nimble and risk getting limbs stuck. It's made from animal safe wood encouraging their natural instincts to chew. 
 
Approximate Dimentions - Height 25 x Width 24 x Depth 1cm
Make sure to check regularly for signs of wear and tear and replace when appropriate.