Magic Milk Experiment 🌈 ages 3 🌈 Here’s a classic science experiment that never gets old and is so easy to set up! I like to do this whenever we have milk that just expired. MATERIALS NEEDED: - shallow tray - Milk (whole or 2%) - Liquid food coloring - Dropper or cotton swab - Dish soap WHAT TO DO: Pour a layer of milk (whole or 2% work best) into a shallow bowl or tray. Then add some drops of food coloring scattered about the milk. Finally, use a dropper or cotton swab to add some dish soap t