Zaptain Club

Science adventures kids love.
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Explore 11 science adventures from day one
Fun science stories for kids aged 6–12. Weekly adventures, simple explanations, and interactive learning with Dr. Zaptain.

This Week's Adventure

Why is liquid also a solid

Why Is Liquid Also a Solid?

A strange liquid in the kitchen suddenly turns solid when Milo taps it… and melts again when he stops. What kind of material behaves like both?
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Past Adventures

Unlock the full library with stories, audio and quizzes!

Why is liquid also a solid
The Falling Star Mystery
The fast healing skin
Why do your ears pop
The Floating Water Experiment
Why won't the kite stay up
The Mystery of the blue drip

What Kids Get Inside

Stories,  simple experiments, and fun quizzes that help kids explore science in a playful, engaging, and easy-to-understand way.

Weekly Science Stories

Audio Adventures

Mini Experiments

Fun Quiz & Challenges

For Parents

Zaptain Club sparks curiosity through stories kids can read or listen to. Perfect for screen-free time, car rides, or bedtime adventures. 100% safe and ad-free.

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Unlock a growing library of science adventures, audio stories, quizzes, and more — all for just $5/month.

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