Discover the wonders inside your child
16 interactive journeys through your child's amazing body. Each module includes stories, wonder facts, activities, and age-adapted content.
Body Systems
11 amazing systems that keep your child growing and thriving
Heart & Circulation
Beats 100,000 times a day
Brain & Nervous System
86 billion neurons, 1M connections/sec
Lungs & Breathing
20,000 breaths every single day
Eyes & Vision
80% of learning is through vision
Ears & Hearing
Contains the 3 smallest bones in the body
Digestive System
30 feet of incredible food processing
Skin & Protection
Completely renews every 28 days
Muscles & Bones
600+ muscles, 206 bones — 5x stronger than steel
Immune System
Makes 25 billion new white cells daily
Hormones & Growth
50+ chemical messengers controlling growth
Kidneys & Filtering
Filters 50 gallons of blood daily
Developmental Domains
5 key areas of child development every parent should understand
Learning & Cognition
Working memory holds 7±2 items at once
Language Development
Children learn 9 new words every day
Social-Emotional
Empathy begins developing at 18 months
Motor Development
3 balance systems working together
Sensory Processing
Brain processes 11 million bits per second