Sara and Rob - Fast as lightning.
Experience the adventures of Sara & Rob as an interactive book on your tablet and smartphone!

Sara is a real environmental detective. With her friend Rob, an adventurous robot, the girl with the two pigtails likes to go exploring. In this story, Sara learns a lot about power that does not come from the power outlet. And she finds out how to energize her new pet.

Rob is a spherical robot. He was built by Sara's uncle, a hobbyist and scientist. His experiments do not always succeed, but Rob is really his masterpiece. The robot can fly, drive, swim, calculate and even talk. So he can answer Sara's questions and take them to where new puzzles are waiting.

Not only can you browse through this interactive book, you can also discover many things yourself. You can bring some of the objects you see on each page to life by tapping them.

Take a close look at all the pages. On some sites, you can collect batteries and rechargeable batteries by briefly tapping them with your finger. What you can do with the collected batteries and rechargeable batteries, you will find in the scrapbook.

If you like, you can not only read the book, but also solve various puzzles and explore the workings of batteries yourself.

Just try it yourself!