Store › Rainbow Cupcake Image 1 of 1 Rainbow Cupcake $25.00 Rainbow Cupcake was designed by Quinny Hooper, a second grader at Zillah Elementary School. Size: Select Size Small Medium Large XLarge XXLarge XXXLarge Quantity: Add To Cart Added! Rainbow Cupcake was designed by Quinny Hooper, a second grader at Zillah Elementary School.