TRY THIS IDEA This worked for me you need

a piece of string [not to long]

a slinky [a small one like you get in those 50 cent machines at Publix]

a bell with a hole at the top

tye one end of the string to the slinky and the other to the bell or a catnip toy. hold the end of the slinky and when the cat goes for the bell or the toy jerk your hand up and the thing at the bottom will go up and then down like a bouncing sort of way. My cat loves it