Elephant Toothpaste Experiment | Mark Rober

We made elephant toothpaste again — and it’s still one of our favorite science experiments ever! 🐘🫧 The kids were squealing when the foam started rising — it’s pure magic every time! 💥 Here’s what you’ll need: 🧪 10g yeast 💧 50ml warm water 🧴 150ml hydrogen peroxide (3%) 🫧 1 tbsp dish soap 🎨 Food coloring Dissolve the yeast in warm water. Pour the hydrogen peroxide into a bottle, add the dish soap and food coloring, then pour in the yeast mixture and step back to watch the volcano of foam