На amazon есть: http://www.amazon.com/s/ref=nb_sb_ss_fb_0_15?url=search-alias%3Daps&field-keywords=balls+for+playskool+ball+popper&sprefix=Balls+for+plays%2Ctoys-and-games%2C257#/ref=nb_sb_noss_1?url=search-alias%3Daps&field-keywords=replacement+balls+for+playskool+ball+popper&rh=i%3Aaps%2Ck%3Areplacement+balls+for+playskool+ball+popper