Fireworks in a Cup

🎆 Fireworks in a Cup is a fun, fizzy science-meets-art activity (and sometimes a treat!) that’s perfect for kids and parties—especially around the 4th of July or New Year’s. There are two popular versions: one is a colorful science experiment, the other a layered edible dessert. I’ll give you both!

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🧪🎨 Fireworks in a Cup (Science Experiment Version)

A fun, safe way to “explode” color in a glass using oil, water, and food coloring.

🧂 What You Need:

• 1 clear cup or jar

• Warm water (¾ full in the cup)

• 2–3 tbsp vegetable oil

• Several drops of food coloring (multiple colors)

• A fork or whisk

🧪 How To Do It:

1. Fill your clear cup ¾ full with warm water.

2. In a separate small bowl, mix the food coloring into the oil. Stir briefly with a fork to break up the drops a little.

3. Pour the oil mixture into the water.

4. Watch the show! The food coloring will slowly sink and “explode” in the water like tiny fireworks 🌈💥

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🔬 Why It Works:

Oil and water don’t mix, so the food coloring (which is water-based) sinks through the oil and disperses when it hits the water, creating a firework effect.

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🍓🍦 Fireworks in a Cup (Dessert Version)

A festive, layered treat—perfect for patriotic holidays or fun party snacks!

🍓 Ingredients (for 4 servings):

• Red layer: Strawberry Jell-O, strawberries, or cherry pie filling

• White layer: Whipped cream, vanilla pudding, or mini marshmallows

• Blue layer: Blue Jell-O, blueberries, or blue candy

• Optional: Sprinkles, star-shaped gummies, or Pop Rocks for sparkle!

🥣 How To Assemble:

1. Layer red items at the bottom of a clear cup.

2. Add a scoop of white pudding or whipped topping.

3. Top with a blue layer—Jell-O, berries, or blue candies.

4. Finish with sprinkles or star decor on top!

✨ Serve chilled with a spoon and enjoy the patriotic “pop” of color and flavor.

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Would you like a printable craft card for the science version, or themed labels for party cups?