The Wonder Weeks in 10 predictable leaps

The Wonder Weeks Book

In our research into the 10 mental leaps of a baby, we discovered that all babies more prone to cry, cling or to be cranky at certain times. A leap may be stressful at times, but it is positive: it gives your baby the opportunity to learn something new. Millions of parents have already read about the mental development of their little ones and how they can stimulate new skills with The Wonder Weeks.

The Wonder Weeks Book

The Wonder Weeks Book

The Wonder Weeks Book features:

  • A comprehensive explanation of the 10 mental leaps
  • Tips, tricks, exercises and insights
  • A personal leap chart which will indicate when a leap starts and ends
  • Information about sleeping and how the leaps may affect sleeping patterns
  • Information about the different phases of a leap: the fussy phase and the skills phase
  • The new skills which your baby develops during each leap and how you can stimulate them
  • Examples of the signals which will alert you when your baby is about to start with a leap
  • Checklists to track the developments and skills of your baby
Buy the Wonder Weeks book

The Wonder Weeks eBook & Kindle

The Wonder Weeks eBook & Kindle

Want to read The Wonder Weeks on your iPad? You can! The Wonder Weeks eBook is now available as an ePub in the iTunes Bookstore.
You can also read The Wonder Weeks on your Kindle. The Wonder Weeks Kindle is waiting for you at the Amazon Kindle Store!

Buy the Wonder Weeks eBook

Baby’s First Year Diary

Baby’s First Year Diary

Do you want to record all the milestones, developments and great moments of your baby’s first year? Our Baby’s First Year Diary is a unique supplement to our basic book, in which you can browse through all the important moments of your baby’s first year – a memory forever!

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Baby leap chart

During our research into mental leaps, we discovered that this phase in which your baby cries more frequently and shows a different behavior than normally, can actually be predicted quite accurately almost up to the very week based on the due date. Discover the leaps of your baby on our website, using our baby leap chart.

More about leaps
Leap 1
WEEK 4 - SENSATIONS
From week 4, your baby enters leap 1, the world of sensations. The first signals of your baby’s first leap will appear between weeks 4 to 6 after the due date.
More about leap 1
Leap 2
WEEK 7 - PATTERNS
From week 7, your baby enters leap 2: the world of patterns. Your baby could show the first signals of leap 2 between week 7 to week 10 after the due date.
More about leap 2
Leap 3
WEEK 11 - SMOOTH TRANSITIONS
Around 11 weeks, you may see signs of the next leap approaching: leap 3, the world of smooth transitions. Your baby is acquiring yet another new skill!
More about leap 3
Leap 4
WEEK 14 - EVENTS
From week 14, leap 4 starts! The first signals of leap 4 will appear between weeks 14 to 20 after the due date. During leap 3, your baby learned to see several smooth transitions, patterns, or sensations without seeing any connection.
More about leap 4
Leap 5
WEEK 22 - RELATIONSHIPS
From 22 weeks, your baby enters the world of relationships. Welcome to leap 5! Leap 5 is no small leap. This is a giant leap! Why? This leap enables your baby to perceive the relationships between all the earlier leaps.
More about leap 5
Leap 6
WEEK 33 - CATEGORIES
From week 33, the world of categories will be knocking at your door, leap 6. The first signals of leap 6 will appear during weeks 33 to 38. Once your baby can perceive “categories”, they will realize that they can divide the world into groups.
More about leap 6
Leap 7
WEEK 41 - SEQUENCES
Around 41 weeks, the world of sequences is just around the corner. Welcome to leap 7! Between 41 and 47 leap 7 will start. While your baby mainly studied things by taking or tearing them apart during the previous leap, they will now be rather “constructive” after this leap.
More about leap 7
Leap 8
WEEK 51 - PROGRAMS
Hip, hip, hooray! During this leap, your baby will celebrate its first birthday. Your baby will not only make a leap in their mental development but will also turn form a baby into a toddler!
More about leap 8
Leap 9
WEEK 59 - PRINCIPLES
Around 59 weeks, you may see signs of the next leap: leap 9. Welcome to the world of principles. If your toddler has taken the leap, you will notice that they are running all kinds of “programs” more smoothly, more naturally and more clearly.
More about leap 9
Leap 10
WEEK 70 - SYSTEMS
Around 70 weeks, your toddler is ready for a new leap into the world of systems: leap 10. The last leap, at least the last one we have recorded. In leap 10, you can now observe your toddler becoming aware of systems after making this leap!
More about leap 10