I was looking at getting my rabbit a pair of baby keys to toss around but then I also found some puppy chew nylabone keys http://www.amazon.com/Nylabone-Puppy-Teething-Rings-Chew/dp/B002C7GQ0C/ref=pd_sbs_petsupplies_1?ie=UTF8&refRID=0QF2CS48MR2JRJ1VPC7NIs it better for them to have the plastic...