Sourdough Starter Kit for Kids - Bakit Box Collaboration

This box is fulfilled by our friends at Bakit.

Grow a living sourdough starter, bake a classic loaf, and explore the science of fermentation with a complete hands-on baking experience created by BāKIT Box and Sourhouse.

Start Your First Sourdough Story

• Grow and care for a living sourdough starter
• Make three recipes: starter, artisan-style loaf, and savory crackers
• Includes a reusable Sourhouse Starter Jar and Gold Bread Blanket
• Follow 10 days of guided starter care and observations
• Explore fermentation through experiments and activities
• Connect baking with science, math, history, and geography

Grow It. Study It. Bake With It.

Sourdough is more than bread—it’s a living science experiment your child can feed, observe, and bake with. This collaborative kit from BāKIT Box and Sourhouse guides young bakers through growing their own starter with flour and water while discovering how wild yeast, helpful bacteria, time, and temperature work together.

Once the starter is active, kids will put it to work in two delicious ways: a crackly, golden sourdough loaf and a batch of crispy, herb-flecked crackers made with starter discard.

Along the way, they’ll keep daily field notes, test how temperature affects fermentation, explore the gluten web, experiment with carbon dioxide, practice ratios, design bread-scoring patterns, and discover sourdough traditions from Egypt, Italy, and the United States.

What’s Included

• Pre-measured bread flour
• Pre-measured salt
• Sourhouse Starter Jar with silicone lid
• Gold silicone marking band
• Starter-naming stickers
• Gold Sourhouse Bread Blanket
• Step-by-step Sourdough Science Recipe Guide
• Sourdough Science Activity Guide

Meet the Sourhouse Starter Jar

Designed specifically for growing and maintaining sourdough starter, the Sourhouse Starter Jar makes it easy for kids to observe every bubble and change.

Its clear, straight-sided borosilicate glass helps young bakers mix, measure, and track their starter’s growth. Measurement dots show how much the starter has risen, while the movable gold silicone band marks its starting height. The soft silicone lid helps keep the jar clean while allowing fermentation gases to escape.

The Sourhouse Bread Blanket (Gold)

The included Sourhouse Bread Blanket becomes part of the experience from proofing to serving. Use it to cover rising dough, line a proofing bowl, or wrap and carry the finished loaf.

Made from 100% cotton, the generously sized 34-by-34-inch blanket can accommodate loaves in a variety of shapes and sizes.

Why Families Love It

• A Complete Sourdough Experience
  • Kids grow their starter from scratch, use it to bake bread, and transform the discard into crackers.
• Hands-On STEM Learning
  • Experiments make fermentation, carbon dioxide, gluten, temperature, and ratios easier to see and understand.
• Real-World Skills
  
  • Young bakers practice weighing, measuring, observing, recording data, following multi-day instructions, and caring for a living starter.
• Learning That Unfolds Over Time
  • The daily starter routine encourages patience, responsibility, and curiosity as kids watch gradual changes happen in real time.
• Reusable Beyond the Kit
  • The Sourhouse Starter Jar and Bread Blanket can support future sourdough bakes long after the included recipes are complete.
• Learning Through Baking
  • The Sourdough Science Activity Guide turns the starter-growing process into a multi-day learning experience.

Kids will:

• Keep daily Sourdough Field Notes
• Track bubbles, height, smell, texture, and temperature
• Identify the signs of a healthy, ready-to-bake starter
• Explore the stretchy gluten network that helps bread rise
• Test how different temperatures affect starter growth
• Investigate how carbon dioxide creates bubbles
• Compare slow fermentation with a fast chemical reaction
• Practice starter-to-flour-to-water ratios
• Create their own bread-scoring designs
• Explore sourdough history and traditions in Egypt, Italy, and the United States

Product Details

• Suggested ages: 5–12
• Experience length: Approximately 7–10 days to grow the starter; some starters may need additional time
• Recipes: Sourdough starter, sourdough loaf, and sourdough crackers
• Sourdough loaf yield: Approximately 8–12 slices
• Sourdough cracker yield: Approximately 50 crackers
• Loaf preparation: Approximately 3 hours, plus proofing and chilling
• Cracker preparation: Approximately 90 minutes, plus chilling
• Allergen: Contains gluten
• Pint Jar Capacity: 500ml
• Starter jar material: Borosilicate glass and silicone
• Bread Blanket material: 100% cotton
• Bread Blanket size: 34 x 34 inches
• Bread Blanket color: Gold

The suggested age range is flexible. Younger bakers may need additional help with measuring and daily starter care. Adult supervision is required when using the oven or sharp kitchen tools.