The Qball is an exercise, yoga, medicine ball all in one. Its moderate erratic bounce allows you to bounce and catch fast. Agility, vision, reflexes, speed and coordination get trained all at once. There's nothing else like it. Great for sports, games, therapy or just reducing anxiety with a ball to fidget with. Students use the Qball to play fun games that teach math. Students are motivated to play because the games are more fun than the math. Athletes warm up and train Fast Reactions and Vision. Therapists use it as a tool to overcome vision and coordination problems. The key is to bounce the Qball as fast as you can. The speed keeps the exercise challenging so the mind doesn’t wander. The Qball adapts to anyone’s skill level because they control the speed. The Qball is suitable for people 5 years old to the elderly.