Deltas Space - Science explained to little smart people (5+)

In this unique series of informative books, science is simply explained to young children from the age of 5. Difficult concepts and complex ideas are expressed and illustrated in a playful way, so that children get a taste for science at an early age. How does a space rocket work? What is Gravity? And which objects fly through the universe? Join Marie in Titan the rocket for a trip to Mars and learn all about space travel!