Amazon offers Prime members the Scientific Explorer My First Fizzy Foamy Science Kit for $8.33 with free shipping. That’s the lowest price we could find by $13, outside of the mention below. It includes vegetable oil, citric acid, baking soda, yeast, color tablets, plastic bags, cups, sticks, a magnifier, measuring spoon, straw, and guide.
Walmart charges about $2 more via in-store pickup.
