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Bath Bomb Recipe for Kids with a Toy Inside

Bath Bomb Recipe For Kids with a Surprise Toy Inside: the perfect diy fizzy, scented bath bomb with a toy inside! Kids will love.

Bath Bomb with a Surprise Toy inside:

My little girls love taking baths, and playing in the bath.  If your kids do too, then this is the kids bath bomb recipe with a toy inside is the perfect little treat for them.  We made ours for Easter with an Easter egg mold, but you can make them for any time of year with a regular round mold.  Not only will your little love having a hot bath with a bath bombs fizz, but they’ll get so excited when they discover that there’s a small toy hidden inside!  Bath time just got better.

how to make your own bath bomb

This treat offers a beautiful scented and fizzy bath, with the fun of a surprise little toy inside.  What could be better?  And they’re simple enough to make either for them for a surprise or with them.  Your kids will love doing this fun project and helping to choose different colors and scents for their own bath bombs.  

Kid Friendly Ingredients

The best part of making your own DiY bath bombs is that you can make thiem with kid friendly, safe, simple ingredients.  Commercial bath bombs sometimes contain harsh chemicals, and can even lead to allergic reactions for sensitive skin.  Our DIY bath bombs recipe is full of natural ingredients.  If your child has particularly sensitive skin you can even choose to leave out any scent.

How Bath Bombs Work

Bath bombs get the name bomb because of the fizz that happens when they hit the warm water.  When the sodium bicarbonate and the citric acid hit the water they have a chemical reaction that creates carbon dioxide and makes the wonderful fizz effect.  That’s why these are the main ingredients in our bath bomb.  The bicarbonate of soda and citric acid ingredients and the chemical reaction are totally safe for your skin. The color is added for interest, the essential oil adds a soothing scent, and the olive oil is good for your skin.  The witch hazel is an important ingredient in your bath bomb too.  The witch hazel helps bind the ingredients together, and create the sand like texture so that you can form it into the bath bomb mold.  Over time the witch hazel evaporates, living the dry hardened bath bomb.

Did you know that bath bombs have a shelf life?  Citric acid and baking soda oxidize over time and will react less with water.  Be sure to use up your bath bombs within six months for the best results.

diy bath bomb with a toy inside

Handmade Gifts

Homemade bath bombs also make the most perfect gifts.  Choose little toys that your recipient will love.  Small plastic toys work really well.  We used bunnies for Easter, but look for dinosaurs for the dinosaur lover, fairies, unicorns, even small cars would all work really well for this and make a great gift.


I used some sweet little Easter bunny plastic toys I found at the dollar store, but you could certainly personalize it for someone special.  How about mini dinosaurs for the dino lover you know, or shopkins, or little plastic unicorns?  Little cars would be a fun choice too.  So many fun possibilities.  When you’re choosing your toys be sure to look for something small enough to fit inside your mold with some room to spare around it.  You need a good amount of the bath bomb around the toy to make sure that it holds together well and doesn’t fall apart when you unmold it.  

You also need a toy that is waterproof.  The toy will be revealed as the bath bomb dissolves in a warm bath.  So make sure your toy is something that can get wet.  Plastic items work really well.

Easter Egg Bath Bomb with a Surprise Toy inside

Yield: 1 Bath Bomb

Kids Bath Bomb Recipe with a Surprise Toy Inside

Kids Bath Bomb Recipe with a Surprise Toy Inside
Active Time 15 minutes
Additional Time 1 day
Total Time 1 day 15 minutes


  • 1/2 cup citric acid (we found ours at the health food store in bulk)
  • 1/4 cup baking soda
  • 1 tbsp olive oil
  • witch hazel -a few sprays from a spray bottle
  • food colouring -few drops
  • scented oil -few drops
  • plastic Easter egg to use as a mold or a round bath bomb mold
  • small toy for the surprise


    1. Combine the dry ingredients of citric acid and baking soda in a mixing bowl.
    2. In a separate wet ingredients small bowl, combine the olive oil, food colouring, and scented oil.
    3. Slowly add oil mixture to dry mixture until it reaches the consistency of wet sand.
    4. To bring it all together, spray lightly with a small amount of witch hazel.
    5. Pack the bath bomb mixture tightly into the bottom of the mold or plastic Easter egg and add the toy surprise to the middle. Fill the other half of the mold completely and click it together with the toy inside. Let it set for 24 hours.
    6. After 24 hours, open the bath bomb molds or Easter egg and carefully remove the bath bomb. Store these in an dry place, in an airtight container.
kids bath bomb recipe

The Bath Bomb Mold

We made our bath bombs for Easter and thought it was so fun to reuse some plastic Easter eggs as the molds.

diy bath bomb with toy inside


When it comes to adding variations to your easy bath bomb recipe feel free to try lots of different  colors and scents.  We made some light pink, some light blue. You can even make different layers of color in your bath bath to create a striped effect.  To create the different colors just add a few drops of food coloring to the liquid mixture. 

The sky is really the limit when it comes to combining different colors and scents. We made our bath bombs with either vanilla and lavender essential oil.  It only takes a few drops of essential oils to add a beautiful scent.  This creates a wonderful sensory experience for kids.  Sweet almond oil is another great choice.

Another fun idea is to add some dried flower petals to your homemade bath bomb recipe.  Real dried lavender or rose petals make a fun addition and add a little magic and so much fun.

how to make a bath bombThese are a little fiddly, and we did break some un-moulding them.  If you’re worried an making the Easter egg version, you could just give them inside the plastic Easter egg.  We did get the hang of it though, and had lots of successes too. 
kids bath bomb recipe
We wrapped some of ours up in cellophane bags and tied them with ribbon.  This makes them perfect for gift giving with a cute bow and gift tag.
diy easy bath bomb recipe
We made ours in the shape of an Easter egg to make the perfect addition to any Easter basket.  Another idea is to use a heart shaped mold for Valentine’s Day with a special Valentine’s Day toy inside.  This DIY bath bomb recipe is so fun and easy to make that they’d be a great craft idea for kids to make at summer camp, or at a club.  You could also make them at school for a Mother’s Day gift, just leave the toy out, and let the children pick food colors and a scent they think their mother will enjoy.  Who won’t love homemade beauty products as lovely thoughtful gift?  If you’re making these in larger quantities be sure to look for the citric acid at the health food store, were we able to buy just the amount we needed in the bulk section.
Easter Egg Bath Bomb with a Surprise Toy inside
With homemade bath bombs with a surprise toy inside, life really is a party!

More Easter Inspiration

Bunny Bait Easter Trail Mix -trail mix, with some fun Easter additions like graham cracker bunnies, and Easter eggs, also a free printable Bunny Bait label.
You might also like our Little Baker’s Easter Basket here.
Also check out our Bunny Treat Box here.

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