Batman Party Supplies Up to 50% off Batman Party Favors and Party Decorations. Calling all heroes, Batman battles his best know villains and encourages the birthday boy and his trusty sidekicks to be real heroes and help Batman round up the villains once and for all. Design your own party pack from our complete line of Batman Heroes and Villains party supplies and party favors. Also be sure to check out our complete line of color coordinating solid color partyware. Parties4Kids is your one-stop shop for all your Batman The Dark Knight party supplies, Batman Party Decorations, Games & Activities, and Batman Party Favors...all at our everyday low prices!