Crittertrail Booster Kit 1 Lets You Give Any Crittertrail Home A Quick Boost Of
Extreme Exercise Excitement! With Easy Connection To Any Crittertrail Home This
Booster Kit Is An Exciting Way To Offer Extra Activity For Your Pet Hamster
Mouse Or Gerbil! Includes Everything You Need To Add The Crittertrail Xtreme
Wheel And Slide To Your Pet's Home!