Two way hand pump made to inflates Gymnic products including Rody, Hop balls, therapy ball, and Teddy.

Also great for blowing up balloons, George the bouncing horse.

These products come with a European style plug which you take out and insert the pump nozzle, blow up, remove the nozzle, and insert the plug. 

If you have a pump, The Gymnic products also come with a adapter which though it is not made for American pumps will generally fit most bike pumps, etc.