12 Lot Insect Wooly Balls Party Favor Gift Kid Toy Fun Birthday Giveaway Prize The soft spiny plastic gives a porcupine effect that kids of all ages love. fun and inexpensive party favors, parting gifts or prizes for your next carnival, birthday party or event Use these in party favor bags for your next birthday party or classroom party. what kids don't like insects? Party guests will love these little giveaways.