Weikeya Half Ball Balance Trainer, 6 Non-slip Feet Half Ball Trainer Wide Application with 1.2-inch Thick Base for Push-ups for Yoga Lovers for Mountain Jumping(grey) : Amazon.co.uk: Sports & Outdoors
BOSU Pro Multi Functional Home Gym 26 Inch Full Body Balance Strength Trainer Ball Equipment with Guided Workouts and Pump, Blue : Amazon.co.uk: Sports & Outdoors