Leap 1 Peak at Week 5 (~1.2 months)
1

The World of Senses

What happens during Leap 1?

Sensory perception comes alive — sights, sounds and textures land more vividly. Your baby starts noticing the difference between bright lights and soft shadows, your voice and a stranger's, the silk lining of their swaddle and the rough weave of a cloth.

Development Milestones in this Leap

Recommended Play & Activities for Leap 1

Every milestone, beautifully remembered.

Track your baby’s complete development journey, discover daily age-perfect activities, log WHO growth charts, and securely share memories with your whole family.

  • 🔒 Encrypted baby photo log
  • 📊 CDC milestones & WHO growth
  • 💡 240+ curated daily activities
  • 🤖 Alex pediatric AI assistant