- Test your reflexes as the ReactionWhizz Keyring challenges you to press buttons as they light up- The pace increases with each round, pushing your reaction time to the limit- Delivers exciting, high-energy gameplay that keeps you on your toes- Compact and lightweight for gaming fun anytime, anywhere- Easily attaches to keys, bags, or backpacks for on-the-go play- Bright lights and engaging sound effects enhance every challenge