You might find the perfect art/rainbow party craft or activity here :) 36 Beautiful and Engaging Rainbow Activities for all ages: Babies, Toddlers, Preschoolers and even Older Kids! From Fun at Home with Kids
Frozen ice paints inspired by the movie. These paints have the most glorious fluffy and icy texture and are great for painting on paper, using as a finger paint, and for bath time. Fans of Disney's Frozen will love these easy to make paints.