From the publisher's website:

Bounce-Off game is simple for everyone to understand and play, but don't be fooled by the easy instructions – the competition is fierce! Whether you're playing against others by bouncing balls in a frenzied race to match the card or the (slightly) more civilized turn-based play, Bounce-Off game brings the action and the results are wild! Bounce-Off is a game that everyone can play, regardless of age. This means families, college kids, and young adults. It's perfect for parties and game nights, and a great way to get the fun going and bring guests together. Set up friendly competitions to see who will be the Bounce-Off champion! The simple approach and satisfaction of landing your bounce will have you playing again and again and again and perfecting techniques to best your competition.