• Cake
  • Frosting
  • YouTube
  • My Favorite Tools
  • Nav Social Icons

  • Skip to primary navigation
  • Skip to main content
  • Skip to primary sidebar
  • Skip to footer
  • Recipes
    • Cake
    • Cupcakes
    • Frosting
    • Ice Cream
    • Vegan
  • Cake Basics
  • Tutorials
  • Blog
  • About
  • Mobile Menu Widgets

    Connect

    Search

Sugar & Sparrow logo in script font

Sugar & Sparrow

Lifestyle and Cake from Portland Oregon

  • Cake Basics
  • Recipes
    • Cake
    • Cupcakes
    • Cookies & Bars
    • Filling
    • Frosting
    • Ice Cream
    • No-Bake
    • Small Batch
    • Vegan
  • Tutorials
  • Book
  • Blog
  • About

Theo’s Car Wash Birthday Cake

September 14, 2024 · In: Featured, Tutorials

I’ve decided to be the kind of mom who makes whatever my kids want when it comes to their birthday cakes, no matter how silly or random. So when my son Theo asked for a car wash cake for his birthday, I had to find a way to make it happen. He has been obsessed with the car wash for probably half of his life, so I knew this wasn’t just a flippant request. Here’s how I pulled it off in case you ever get a car wash cake request. 

This post may contain affiliate links. For more information, see our disclosure policy.

car wash birthday cake
carwash cake by sugar and sparrow

For the ribbon scrubber: I built a simple frame using wooden skewers and a popsicle stick that I glued together with a hot glue gun. Then, I used a pasta cutter to cut the ribbons out of gum paste. I chose gum paste because it dries much more firmly than fondant* and I wanted the best stability (we had to drive the cake somewhere). I draped the ribbons over the wooden frame and let the whole thing dry for a few days before using it as a cake topper. 

*Fondant would work as well, just note that it takes longer to dry and might be softer/more breakable. 

car wash birthday cake
car wash cake for kid birthday

For the spinner scrubbers: I stuck a piece of Australian licorice onto a wooden skewer, then used Wilton Tip 233 to pipe shag buttercream onto it, starting at the bottom of the licorice and working my way to the top. 

For the car: I bought a Hot Wheels car from Target. 

For the soap suds: I used Wilton Tip 5 and Tip 2 to pipe different sized bubbles all over the cake. 

Additional decorations: I accented the car wash design with SprinklePop Rainbow Road sprinkles, which are so pretty and celebratory! And then I added these candles by Meri Meri to make it a party cake. 

carwash birthday cake

You can watch a video of me making this cake on Instagram to see how it all came together. I absolutely love how it turned out and can’t wait to see what next year’s birthday cake request will be!

By: Whitney · In: Featured, Tutorials

you’ll also love

orange creamsicle cake recipe by sugar and sparrowOrange Creamsicle Cake Recipe
mint chocolate chip ice cream cake recipeMint Chocolate Chip Ice Cream Cake
how to transport cakes safelyHow to Package and Transport Cakes (with Minimal Stress!)

Join the List

Stay up to date & receive the latest posts in your inbox.

Reader Interactions

Comments

  1. Amy Kamber says

    August 27, 2025 at 6:34 pm

    Thank you for sharing this – I used it as inspiration to make a car wash cake for my son with special needs who loves going to the car wash!

    Reply
    • Whitney says

      August 27, 2025 at 8:21 pm

      That’s awesome, Amy! I hope he loves his cake!!

      Reply

Leave a Reply Cancel reply

Your email address will not be published. Required fields are marked *

Recipe Rating




Next Post >

Marshmallow Creme Filling

Primary Sidebar

Welcome to Sugar & Sparrow

Welcome to Sugar & Sparrow

Helping you whip up pretty desserts with confidence and creativity. And hopefully sharing a few laughs with you along the way!

Learn More

Connect

let’s bake!

Get my very best recipes, baking tips, and decorating tutorials sent to your inbox

Featured Posts

sprinkle drip cake tutorial

Sprinkle Drip Cake Tutorial

smooth buttercream cake tutorial

How To Frost A Cake With Smooth Buttercream

carrot cake recipe small batch

Small Batch Carrot Cake

Search

Archives

Follow Along

@sugarandsparrowco

TOP 10 BIRTHDAY CAKES 🥳 These are just a few of my TOP 10 BIRTHDAY CAKES 🥳 These are just a few of my favorite birthday cake recipes that will make anyone feel special! 

Comment “BIRTHDAY” and I’ll send you all 24+ of my favorite birthday cake ideas –  classics like funfetti cake and yellow cake with chocolate frosting, plus ice cream cakes, sheet cakes, and more complex flavor combos like Snickers cake and Millionaire cake. 

https://sugarandsparrow.com/best-birthday-cake-recipes/

#birthdaycake #partycake #birthdaycakeideas #cakeinspiration #cakeideas
BERRIES & CREAM SHEET CAKE 🍓🫐 deliciously light, n BERRIES & CREAM SHEET CAKE 🍓🫐 deliciously light, naturally stunning, and the easiest cake you’ll want to make all Summer long!! It’s my favorite bakery-style vanilla sheet cake that’s so soft and moist, topped with silky whipped cream cheese frosting and fresh berries. I love how quickly this cake comes together with simple ingredients + doesn’t require any fancy cake decorating techniques to make it a showstopper✨

Grab the recipe link in my bio or find it at https://sugarandsparrow.com/berries-and-cream-sheet-cake/

#berrycake #berriesandcream #sheetcake #whippedcreamfrosting #cakedecorating
FUNFETTI SHEET CAKE 🥳 the most celebratory flavor FUNFETTI SHEET CAKE 🥳 the most celebratory flavor of all and so perfect for a crowd. It’s extra soft and moist vanilla cake speckled with rainbow sprinkles + captures that box mix texture but it’s 100% homemade and EASY! Top it with vanilla buttercream and rainbow sprinkles for the perfect party cake 🎉
 
Full recipe (w/ frosting) at the link in my bio or at https://sugarandsparrow.com/funfetti-sheet-cake/ 

INGREDIENTS 
2 1/2 Cups (265g) sifted cake flour 
2 tsp baking powder 
1/2 tsp baking soda 
1 tsp salt 
3/4 Cup (170g) unsalted butter, room temp 
1 3/4 Cup (340g) granulated white sugar 
3 large eggs, room temp 
1/2 Cup (120g) sour cream, room temp 
1 Tbsp pure vanilla extract 
1 Cup (240ml) whole milk, room temp 
1/3 Cup (60g) rainbow sprinkles, coated in 1 tsp flour 
 
INSTRUCTIONS 
1. Preheat the oven to 325°F (163ºC). Grease and line a 9×13 baking pan. 
2. In a medium bowl, whisk together the sifted cake flour, baking powder, baking soda, and salt. Set aside.  
3. In the bowl of your stand mixer fitted with the paddle attachment (or with a large bowl and hand mixer), beat the butter and sugar on medium-high speed until light and fluffy, 4 min. Add the eggs one at a time, then add the vanilla and sour cream and mix for one minute on high speed. 
4. Turn the mixer off and add the dry ingredients all at once. Mix on low speed until just combined, then add the milk and mix until just incorporated.  
5. Coat the rainbow sprinkles in 1 teaspoon of flour, then gently fold them into the cake batter. Pour the batter into the prepared baking pan and bake for 30-35 minutes, or until the cake springs back to the touch and a toothpick inserted into the middle comes out clean. Let the cake cool in the baking dish until room temperature, then decorate with vanilla buttercream + rainbow sprinkles (full recipe link in bio!) 
 
#funfetti #funfetticake #sheetcake #cake #birthdaycake
COOKIE DOUGH ICE CREAM CAKE 🍪🍦this is the birthday COOKIE DOUGH ICE CREAM CAKE 🍪🍦this is the birthday cake of my DREAMS and I’m so excited to share the recipe with you!! It’s chocolate and vanilla no-churn ice creams with homemade cookie dough chunks in every bite, swirled together and set on a delicious Oreo cookie crust 😍 easy, perfectly sliceable, and ideal for making ahead! I’m already dreaming about when I can make it again ✨

Get the recipe link in my bio + at https://sugarandsparrow.com/chocolate-chip-cookie-dough-ice-cream-cake/

#birthdaycake #icecreamcake #cakedecorating #nochurnicecream #icecreamlover
My kitchen in May 💛 some of these recipes had me f My kitchen in May 💛 some of these recipes had me feeling CRAZY with how many tests they took 🤪 but in the end I am so happy with these ones I got to hit the publish button on + I made my DREAM birthday cake that I can’t wait to share ASAP!!

Comment “MAY” to get all the recipes that are available now:

-Strawberry Shortcake Sheet Cake
-Lemon Cupcakes
-Lemon Cream Cheese Buttercream
-Orange Poppyseed Cake
-Whipped Mascarpone Frosting
-No-Bake Marbled Strawberry Cheesecake
-Chocolate Chip Cookie Cake

https://sugarandsparrow.com/everything-i-baked-in-may
 
#dessert #bakersofinstagram #baking #bakinglove #dessertlovers

Footer

On the Blog

  • Cake Basics
  • Recipes
  • Tutorials

Info

  • About
  • Privacy Policy & Disclosure

stay in the know

Copyright © 2026 · Theme by Sugar & Sparrow