Pneumatic play ball

摘要: A pneumatic play ball that includes an outer casing of non-stretchable material having a slit therein, the configuration depending on nature ball. The encases balloon stretchable which when unconfined is capable being inflated to assume generally globular form, air-passage stem. In its uninflated state, inserted into through open port created by dilating slit, stem then projecting out port. After confined blowing air cause conform inner surface and same configuration, knotted seal balloon. pushed under which, because subjected tension causes recover undilated, substantially closed state whereby no portion encased can be extruded from bounces.