Gender parties often have some kind of play on pink and blue favour decorations. Essential gender reveal party decorations include:
Gender reveal banner
Pink and blue balloons
Gender reveal confetti
Table centrepieces in pink and blue
Gender reveal cake or cupcakes
Newborn ornaments in relevant colours, for e.g. blue or pink pacifiers or rattles
Voting board for guests to guess the gender
Streamers or backdrop in pink and blue
Baby shower party favours