This is tax deductible. Get any number of ferrets and toss them 2-3 feet onto something soft. I generally use the bed. If they like it, they will dance and dook. Even the flipping part.
Sound effects are essential.
All of mine love this. Take old socks of any variety and tie a knot in the middle. Waggle sock over face of intended victim. They will grab and hang on for dear life. You can also buy elbows, t's and connectors.