WAS IST WAS gets personal: How Tessloff and StoryWonder turn knowledge into adventure
Curiosity, imagination and knowledge — these are the ingredients from which great stories are created. Together with Tessloff Verlag, StoryWonder is now bringing one of Germany's best-known children's knowledge formats into a new dimension: WAS IST WAS is now also available as personalized stories - to read or listen to.

Knowledge becomes personal
Kids love to find themselves in stories.
The new cooperation between Tessloff and StoryWonder makes exactly that possible:
The most popular WAS IST WAS Title — “Dinosaur”, “Astronauts” and “Ancient Greece” - now appear in a completely new form: as individual audio and reading experiences, in which every child becomes the main character.
Name, interests and preferences flow directly into the story.
The result is a unique format that makes learning emotionally experienceable - and combines knowledge with genuine enthusiasm.
Multimodal learning — child-friendly and safe
Whether as a bedtime story, an exciting audio adventure or reading time together: The StoryWonder platform offers both - Reading text and audio version.
This allows children to learn, read or listen in their favorite way - completely without advertising, in compliance with data protection regulations and in a protected digital space.
“WAS IST WAS stands for curiosity and the joy of discovery. With StoryWonder, we are expanding our digital portfolio with personalized edutainment for children,” says Katja Meinecke-Meurer, managing director of Tessloff Verlag.
Bridging content and technology
There is a common goal behind the cooperation: Bring knowledge to life.
Tessloff brings decades of experience in teaching knowledge to children, StoryWonder the technology to design content individually and interactively.
“This collaboration shows how established educational brands and innovative start-ups are setting new standards together - multimodal, secure and personalized,” explains Rolf Kosakowski, managing director of StoryWonder.
The next step for digital edutainment
StoryWonder was created by the Hamburg-based agency KB&B - Family Marketing Experts developed. The team has been successfully accompanying Tessloff for years in the production of the popular WAS IST WAS podcasts.
The new personalized stories are now creating the next chapter of a strong partnership - and a format that reaches children where they learn and discover today: digitally, playfully and on equal footing.
Conclusion: Learning that inspires
With WAS IST WAS and StoryWonder What belongs together grows together - knowledge and imagination.
Personalized children's stories make learning emotional, interactive and sustainable.
An innovative step towards the future of digital learning - for children, parents and brands that are rethinking education.
👉 Try it out now and see how knowledge becomes your adventure!