These colourful rainbow dyed oats are perfect for babies and toddlers who still like to put everything in their mouths! Find out how to dye oats with food coloring in order to create this taste-safe—and cost-effective—rainbow oat sensory bin for your kids. Rainbow colored oats are the perfect sensory bin filler for babies, toddlers and preschoolers who still like to put everything in their mouth. If you're looking for a fun taste safe or edible sensory activity, try these easy dyed rolled…