This looks something like the punch we made when I took cooking classes at the JCC when I was a kid-- Rainbow Sherbet Punch. Equal parts Sprite or Squirt and Hawaiian Punch. Stir together, add rainbow sherbet.
(Simple & Sweet) Unicorn Birthday Party Ideas // Hostess with the Mostess®
rainbow unicorn punch is a super easy and fun treat for birthday parties!
Rainbow Punch Pinata - could be great for a rainbow or paint party!