DIY Soap & Bath Bomb Making Kit STEM Science Lab, 3-in-1 Spa Science Kits Age 6-Adult
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Turn your home into a bubbling spa laboratory with this creative and educational Spa Science Lab Kit! Perfect for kids who love crafts and science, this all-in-one set lets children explore chemistry in a fun, hands-on way. With enough materials to make 10 soaps, 10 bath bombs, and layered bath salts or salt scrubs, kids can experiment, learn, and create luxurious spa items they can actually use—or give as gifts. Backed by STEM.org authentication, every ingredient is tested for safety and perfect for bath time fun!
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Make 10 Custom Soaps:
Mix wax, colors, fragrance, and glitter, then pour into 4 adorable molds to create vibrant, scented soaps. -
Create 10 Fizzy Bath Bombs:
Combine baking soda, citric acid, salts, and oils in 5 molds to make fizzy bath bombs—hide surprise charms inside for extra fun! -
Design Bath Salts & Salt Scrubs:
Layer colored, scented sea salt in the scrub jar or add citric acid and baking soda to make fizzy bath salts. -
Safe & Educational:
All ingredients meet or exceed safety standards and are 100% safe for bath use—perfect for curious young scientists. -
Complete Science Kit Includes:
Citric acid, baking soda, Epsom salt, crystallized sea salt, 4 colorings, 2 fragrances, baby oil, soap wax, glitter, molds, tools, surprise charms, gift bag, stickers, and an illustrated learning guide.
- Enjoy FREE standard shipping on boutique orders over $100. Shipping fees are calculated per boutique. For boutique orders under $100, flat rate shipping is available ($8 domestic, international orders calculated at checkout).
- Domestic orders ship via USPS and usually arrive within 2-4 business days.
- International orders ship via USPS and usually arrive within 3-7 business days. All international duties & taxes are included in the price.
Standard Return Period
- You have 14 days from the day you receive your package to return your purchase.
Return Options
- We offer two options for returns:
- FREE returns for store credit. Ship it back at no cost to you.
- Money back on original payment method. You’ll receive a full refund minus the return shipping costs of $6.