Rainbow Party - another cake idea: DIY Surprise Rainbow Piñata Cake
dots, confetti, bubbles, whatever theme
Owl piñata - i would love an owl themed birthday party!
You can DIY yourself a game of Kerplunk with just an IKEA silverware container, some straws, and pom poms. It's so easy you can be up and playing within minutes. Get the tutorial at Mericherry