bot my rabbits roam the house one day i came home from school and see the playing with the chair (wich they ussually do) but this time its differnt u know those computer chiars like the ones u can spin and make it go higher?? well any ways i found that my rabbits were spin themselves lol but after the spinning stops they have the same reaction humansdo its hard to maove striat lol they cant move strait at all they like lean o one side and start moving side ways. so i was wondering is this normal??? is it safe???