1. Join the club

An illustrated outdoor scene with a happy older man and woman in ranger or explorer clothing holding a banner that says "Welcome." The man has white hair and a beard, wearing goggles on his head, and carrying a backpack with a rolled-up sleeping pad. The woman has long brown hair, wearing a hat with green leaves, and carrying a picnic or hiking pack with a raccoon and a small owl peeking out. The background shows mountains, trees, and a blue sky with clouds.

Choose your adventure:

  • Monthly | 6-Month | 12-Month
    You'll receive two handcrafted letters each month — one from each of our travelling professors.

Start anytime. Cancel anytime. All plans include free shipping within Australia.

If you’re a travelling family and have no fixed address we do have a digital membership available.

Cartoon of a smiling man with white hair and beard, wearing a green shirt with rolled-up sleeves and goggles on his head, standing in water with four otters around him, in a jungle with mountains in the background.
Illustration of a smiling woman with long hair in a ponytail, wearing a ranger hat and green shirt, carrying a backpack, and waving. A lemur is sitting on her shoulder in a jungle setting.

2. Meet the Professors

Every month, your child will receive:

  • A real letter from Professor Poppy Marlowe – a brilliant biologist discovering unusual creatures and ecosystems.

  • A second real letter from Professor Ignatius Whitley – an eccentric explorer and inventor, uncovering ancient mysteries and scientific wonders.

Their journeys span the globe, and the stories are packed with:

  • Science, history, and geography

  • Magical discoveries and real-world facts

  • Wild creatures, ancient technologies, and mysterious phenomena

An illustrated underwater scene with a happy scuba diver holding an octopus, surrounded by colorful fish, coral, and a sunken ship in the background.

3. Dive Into the Discovery

Each envelope contains:
2-page story from each professor

2-page illustrated activity sheet (experiments, puzzles, challenges)

Search and Find puzzle

Creature sketches, and collectible stamps

Surprises like secret codes, riddles & mystery missions

COMING SOON

4. Expand the Adventure (Optional)

Unlock Mind Expanders HQ for even more:

  • Downloadable activities & printables

  • Behind-the-scenes sketches & field notes

  • Bonus science experiments and missions

🧭 One-time add-on: $49 AUD
Perfect for families who want to go deeper into the science and storytelling!

A watercolor illustration of an elderly man and a young woman in a hot air balloon, wearing explorer outfits with backpacks and gear, flying through a blue sky with clouds.

5. Learn, Laugh & Explore Together

Your child will:

  • Look forward to real mail

  • Learn about the world in magical, memorable ways

  • Build a sense of wonder and confidence through curiosity

Every letter is created with love, accuracy, and a splash of the extraordinary.