Extra Ball for the Classic Balance Ball® Chair (52cm) - Gaiam
Gaiam Total Body Balance Ball Kit - Includes 75cm Anti-Burst Stability Exercise Yoga Ball, Air Pump, Workout Program - Walmart.com
Backless Classic Balance Ball® Chair - Gaiam
Restore Self-Guided Stability Ball - Gaiam
Replacement Ball for the Kids Classic Balance Ball Chair (38cm) - Gaiam
Stability Ball, Base & Cord Fitness Kit - Gaiam
Kids Stay-N-Play Ball (45cm) - Gaiam
Amazon.com: Gaiam Essentials Balance Ball & Base Kit, 65cm Yoga Ball Chair, Exercise Ball with Inflatable Ring Base for Home or Office Desk, Includes Air Pump, Black : Sports & Outdoors
Amazon.com: Gaiam Kids Balance Ball - Exercise Stability Yoga Ball, Kids Alternative Flexible Seating for Active Children in Home or Classroom (Satisfaction Guarantee), Blue, 45cm (2.09 Pounds) : Sports & Outdoors
Gaiam Total Body Balance Ball Kit with Pump & DVD 75cm | Meijer
Amazon.com: Gaiam 05-52205 Total Body Balance Ball Kit - Includes 75cm Anti-Burst Stability Exercise Yoga Ball, Air Pump & Workout Video - Blue : Sports & Outdoors