Actually if it goes slow enough you could tie a toy onto it and it'd get them chasing it, it'd work for dogs too i bet. What's nice for that price if it gets banged up you're not out of a ton of cash.
Sooner or later, they make you. That's the devil's candy right there. Awesome to look at and endlessly entertaining for sport, but there's a hefty price. Not saying any mortal man could resist that one, though. The apple, indeed!