Why the hot balloon can fly?
Why we can make bubbles through soap?
Why the mirror’s image gets fuzzy in the bathroom?
Why there’s echo corresponding to the sound?
Why can people stand on the ground of Earth without falling?

There’re too many unbelievable stuffs in our daily life make children curious. And the best solution to solve the puzzle is by doing it yourself. No need of professional laboratory, Just some little interesting experiments can turn the hard stuffs into comprehensive knowledge.

This series successfully attract little readers to do it with bare hands and brains, while stimulating their imagination and creativity without boring lectures in the classroom. And the series help the readers to fully dominate the fundamentally scientific knowledge under the curious and joyful atmosphere.