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Rainbow Whirl Milk Bath Kit

Regular price  $50.00
Sale price  $50.00 Regular price 
7+
Calm & Sensory Made to Share Gifting Favorite
  • All-in-one, pre-measured ingredients — no shopping required
  • Cosmetic-grade, skin-safe ingredients
  • Illustrated WunderSquad guide included
  • Gift-ready WunderBag
  • Free from parabens, sulfates, phthalates & synthetic dyes

30-day Wunderkits Return Policy

Recommended for ages 7+

Kids layer six shimmery colors into creamy milk bath cups that look like something straight out of a candy shop, then get to enjoy the full sensory payoff at bath time as the colors swirl and the scent fills the room.

Each kit makes three uniquely layered cups, enough for ~4 silky, colorful baths. Includes 16.5 oz of milk bath base, 4 bright colors, 2 shimmer accents, plant-based fragrance, and a mesh bath sponge.

What's Inside:

  • Pre-portioned ingredients (no measuring!)
  • 4 bright colors + 2 shimmer accents
  • 100% plant-based fragrance
  • Mesh bath sponge for bath time
  • Step-by-step instructions with the WunderSquad™
  • Signature WunderBag for storage

The Good Stuff: ✓ Preservative-free, kid-safe ingredients ✓ Zero prep, zero mess guarantee ✓ Makes 3 cups — enough for ~4 baths ✓ Reusable tools included

Perfect for: Kids who love bath time, color, and making something beautiful enough to keep or give away, plus the grown-up who's tired of negotiating over getting in the tub.

Get one, gift one! Free shipping on orders $90+
Rainbow Whirl Milk Bath Main

Rainbow Whirl Milk Bath Kit

Regular price  $50.00
Sale price  $50.00 Regular price 

Transparency matters

What's Inside the Rainbow Whirl Milk Bath Kit

Makes 3 milk bath cups · 16.5 oz total Rainbow Whirl Milk Bath Kit — What's Inside

Sourced, measured, and tested. So you don't have to.

Every ingredient was chosen for quality, pre-measured to exactly what this kit needs, and tested with kids. Here's what went into that.

Keepsake & Finishing Touches
WunderBag KeepsakeKeepsake zip bag, gift-ready and perfect for storing goodies
Cups with dome lids (3) ReusableEach cup holds 2 milk bath servings — dome lid keeps everything fresh and gift-ready
Colorful mesh sponges (3) Self CareNestle under the dome lid to look like cotton candy — then use them in the bath
Ingredients & Additives
Milk bath mix NaturalBaking soda, cornstarch & coconut milk powder — pre-measured and ready to mix
Citric acid NaturalCreates the fizz — pre-measured to work perfectly with this recipe
Dendritic salt NaturalAbsorbs and holds fragrance — releases slowly as it dissolves in the bath
Safflower oil NaturalA lightweight plant-based oil — pre-measured for this recipe
Polysorbate 80 (optional) Craft AidAn emulsifier that binds oil and water — reduces ring around the tub. Recommended but optional
Natural fragrance Plant-Based100% plant-based and phthalate-free — not synthetic. Curated for kids and pre-measured to the safe usage rate
Dye-free mica (4 colors) Skin-SafeDye free, ethically sourced & vegan
Sparkling mica (2 shades) Skin-SafeAdds shimmer and sparkle to your finished bath cup
Tools & Extras
Paper mixing bowls (4) ToolsNo raiding the kitchen — four bowls included so grown-ups don't have to
Stir sticks, mini scoops & dropper ToolsEverything to measure and mix — pre-portioned so there's no guesswork
Coloring mess mat WunderSquadProtect the table; embrace the process
Disposable gloves ToolsKid-sized and ready to go
Sticker sheet WunderSquadPersonalize and label your finished creations
Instruction manual + video tutorial IllustratedStep-by-step instructions and video tutorial for every kit

All ingredients are pre-measured to exact kit quantities. The cups and mesh sponges are yours to reuse or gift. Full ingredient list: Sodium Bicarbonate, Citric Acid, Zea Mays (Corn) Starch, Sodium Chloride, Cocos Nucifera (Coconut) Milk Powder, Carthamus Tinctorius (Safflower) Seed Oil, Polysorbate 80, Fragrance (100% Natural), Mica (CI 77019), Fluorphlogopite, Titanium Dioxide (CI 77891), Iron Oxides (CI 77491, CI 77492, CI 77499), Manganese Violet (CI 77742), Tin Oxide (CI 77861). May include: Cellulose (Biodegradable Glitter).

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Free from harsh chemicals icon

Free from Harsh Chemicals

No parabens, phthalates, sulfates, or synthetic dyes. Every ingredient is cosmetic-grade and clearly listed.

Pre-measured ingredients icon

Pre-Measured & All-in-One

Everything kids need arrives in one WunderBag. No shopping for supplies, no prep work, no guessing.

Kid-friendly activity length icon

Kid-Friendly Activity Lengths

Designed to hold attention from start to finish. Long enough to feel meaningful, short enough to keep it fun.

Gift-ready packaging icon

Gift-Ready Packaging

The WunderBag arrives beautifully packaged and ready to give — no extra wrapping needed.

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Got questions?

Frequently Asked Questions

Is this kit safe for kids?
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All Wunderkits ingredients are cosmetic-grade and are free from parabens, sulfates, phthalates, and synthetic dyes. Adult supervision is required for younger kids and recommended for older kids. Our kits are meant to be enjoyed together.
What age is this kit for?
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This kit is designed for 7+. Younger kids will need more guidance from a grown-up; older kids can follow the illustrated WunderSquad manual fairly independently.
How many times can we use this kit?
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This kit includes enough ingredients for one creative session that makes 3 cups of rainbow whirls (16.5 oz.), good for @6 swirly fun baths. The keepsake WunderBag works great for storing reusable tools or anything kids want to stash.
Is the finished product actually usable?
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Everything kids make with Wunderkits uses cosmetic-grade ingredients, so the finished soap, bath bomb, or milk bath blend is real and ready to use. Kids can use it themselves or gift it.
What is your return policy?
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We offer 30-day returns for unopened and unused kits. If something arrives damaged or isn't right, contact us and we'll make it right. Please see our Returns & Refunds page for more information.
Wunderkits

Pure Joy

Made for Moments Like This

Where curiosity meets creativity, and a simple afternoon becomes something unforgettable.

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