From your profile page click on equipment, This should take you to the game selecting screen and your equipment box shows up.Click on balls at bottom of box. You should then be able to sort through the balls til you get to the ones you purchased. click and drag the balls you want to play with into the balls box at top right of that box. Click SAVE changes and BOO YAHHHHHHHHHH....you got 'em in your bag dude. Hope this helps. If not, give me a holler back.