What is the Junior Wobble Cushion 30cm? The Elite 30cm Junior Wobble cushion with pump is a disc shaped air cushion & is designed to reduce back pain & improve your posture. The Junior Wobble cushion can also be used for standing & balancing exercises, which helps to build ankle strength & core stability. When can I use the Junior Wobble Cushion? The Junior Wobble Cushion can be used at home, at work as well as in schools to help promote correct posture & increase core stability. The Junior Wobble Cushion is particularly effective for kids with Attention Deficit Disorder as it can help to stop fidgeting & helps to encourage active sitting. How does the 30cm Junior Wobble Cushion & pump work? The 30cm Junior Wobble Cushion comes complete with a dual action pump, to inflate the wobble cushion simply fit the nozzle inside the cushion & watch the dual action pump start working. The rounded design of the Junior Wobble Cushion means that the user continuously uses their supporting muscles to keep stable which results in more powerful & firmer core muscles. The maximum weight for this product is 200kg, which is equivalent to 32 stone.