I had a clear vision of what I wanted to bake for Rose's birthday. A bubble popper fidget cake! She absolutely adored fidget toys, and her favorite by far was the rainbow bubble poppers—such a big trend in 2021. It topped her wish list, so I knew she'd be thrilled to receive one as a cake. I was thrilled too because it turned out to be quite straightforward to create. Take a look at my simple recipe below.
This cake is super easy to whip up, and its dense texture makes it perfect for carving, which is great if you enjoy slicing and sharing it with others. I think you’ll find it just as enjoyable to make!

*Caption: Bubble popper fidget rainbow cake*
Here’s how you can make this fun and colorful cake:
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**Ingredients:**
- 2 cups all-purpose flour
- 1 ¾ cups granulated sugar
- ¾ cup unsweetened cocoa powder
- 2 teaspoons baking powder
- 1 ½ teaspoons baking soda
- 1 teaspoon salt
- 2 large eggs
- 1 cup milk
- ½ cup vegetable oil
- 2 teaspoons vanilla extract
- 1 cup boiling water
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**Instructions:**
1. Preheat your oven to 350°F (175°C). Grease two 9-inch round cake pans and line them with parchment paper.
2. In a large mixing bowl, combine the flour, sugar, cocoa powder, baking powder, baking soda, and salt.
3. Add the eggs, milk, oil, and vanilla extract. Beat on medium speed for about 2 minutes until smooth.
4. Gradually stir in the boiling water—be careful, as the batter will become thin.
5. Divide the batter evenly between the prepared pans.
6. Bake for 30–35 minutes or until a toothpick inserted into the center comes out clean.
7. Allow the cakes to cool completely before frosting.
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Once you’ve made the base, you can get creative with decorating it like a bubble popper toy. I used colorful fondant to mimic the bubbles and added some edible glitter for that extra sparkle. It’s not only delicious but also a real eye-catcher!
If you're looking to jump straight to the recipe, just click the button below. And if you’re interested in printing this out for later, there’s a handy print option available too.
I hope you enjoy making this cake as much as I did. Let me know how it turns out for you!
Antiperspirant Roll-On Bottle
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MOQ
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20.000pcs
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Delivery time
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50-55days
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Material
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AS,ABS
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color
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Injection color,spray coating color
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logo
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Silk screan and hot staping
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Packing
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paper carton
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Place of Origin
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Zhejiang
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