Connections Hint Today Sun, Jul 27 #818

Need help with Connections puzzle #818 on Sun, Jul 27? Get your daily connections hint today! Find the hidden links between these 16 words: CHILD’S PLAY, EASY, NO SWEAT, PIECE OF CAKE, BLOCK PARTY, FESTIVAL, PICNIC, TAILGATE, ELEMENTARY, GRADE, GRAMMAR, PRIMARY, CON GAME, HALLOWEEN, HEARTS, MAGIC SHOW