More ways to learn.
Now at Whizki Learning.
The books and printables you remember have moved to our partner Whizki Learning. Discover a wider world of letters, numbers, themed activities, weekly learning plans, and guidance for grown-ups.
Your next stopReading & Writing · Sound SubstitutionYou’ll continue on whizki.com. These materials are no longer hosted on BrainHunters Academy.
Continue to Whizki LearningA little curiosity can go a long way.
Start with what interests your child. Find a way to practice, build a routine, and discover what comes next.

Alphabet adventures
Explore A–Z through letters, sounds, words, and ideas for hands-on practice.

Number world
Discover 0–20 through counting, patterns, and connections to everyday life.
Themed activity sets
Follow a skill across a sequence of printable activities. Set access depends on your Whizki Learning plan.
Family learning planner
Plan the week, record what happened, and choose the next step in your parent account.
Ideas for grown-ups
Find practical articles, learning activities, and ideas for home and the classroom.

Growth & school readiness
Understand learning milestones, readiness, and educational standards in plain language.
One discovery leads to another.
Try these paths through Whizki Learning. Each step opens a different resource you can use together.
From counting to everyday math
A starting point from your old link
A few relevant materials from Whizki Learning’s current catalog. Open the collection for more; titles and descriptions appear in their original language.
Sound Substitution Practice Page for Kindergarten
Change the last sound in five short words, including cat to cap and bag to bat. Follow letter cues, say the new words, and write with support.
View on Whizki LearningSound Substitution Word Change Worksheet
Change the first sound in five short words, including cat to hat and cat to bat. Follow letter cues, say the new words, and write with support.
View on Whizki LearningSound Substitution Word Changes Worksheet
Change the middle sound in five short words, including cat to cot and hat to hot. Follow letter cues, say the new words, and write with support.
View on Whizki LearningFor pencil-and-paper time
A few things you might be wondering
Where are the worksheets and generators?
They have moved to our partner Whizki Learning. Open the printable library to explore the current activities. The old generator screens are no longer available on BrainHunters Academy.
How do I find the book I came for?
This page uses your old link to find the corresponding book or collection. Open a book card to see its details and available formats on Whizki Learning.
What can my child do on BrainHunters now?
BrainHunters Academy is home to interactive adventures with letters, numbers, shapes, and colors. Books and printable materials are available through Whizki Learning.