trideer inflated wobble cushion - wiggle seat for sensory kids(multiple colors), core balance disc (extra thick), flexible seating for all age(office & school & home) (34cm avocado) trideer <b>how to inflate the balance board ?</b><br> 1) find the hole on the 4th outer ring;<br> 2) insert the needle of the pump into the tiny hole for inflation; carefully insert the needle at a slight angle 10-70° into the valve.<br> 3) be sure the needle is fully inserted to the hole, otherwise, it might be very difficult to inflate the balance board.<br> 4) stop inflating when the cushion's height reaches 2 inches height, do not over inflate.<br><br> <b>back pain reliever & effective massage therapy:</b><br> <b>sitting</b>: good for active sitting, muscle strengthening and joint<br> <b>standing</b>: increase feet, knee, ankles and hip stability<br><b> back strengthening exercises core stability</b>: great workout equipment to help you improve balance.<br><br> <b>instruction:</b><br> insert the needle of the pump into the tiny hole for inflation; insert the needle only without the body of the pump into the hole for deflation. find the hole on the 4th outer ring--one spiky dimple is replaced by that tiny hole. package includes: user manual/pump/needles.<br><br> <b>warning:</b><br> product is not for children under 3, pump is not a toy.<br> adults use only before commencing exercise, always consult your doctor or therapist.<br> <b>kind notice: all trideer branded products are sold exclusively by trideer. please always check the seller information before your purchase.</b>